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%% LaTeX2e file `etocsnippet-28.tex'
%% generated by the `filecontentshere' environment
%% from source `etoc' on 2019/11/17.
%%
% \newtoks\treetok % put this (uncommented) preferably in the preamble
% \newtoks\sectiontok
% \newtoks\subsectiontok
\newcommand*{\treenode}{}
\newcommand*{\appendchildtree}[2]{% token list t1 becomes: t1 child {t2}
\edef\tmp{\the#1 child {\the#2}}%
#1\expandafter{\tmp}%
}
\newcommand*{\preparetreenode}{%
\tmptok\expandafter{\etocthelinkednumber}% expanded one time (mandatory)
\edef\treenode{node {\the\tmptok}}%
}
\etocsetstyle{section}
{\etocskipfirstprefix}
{\appendchildtree\treetok\sectiontok}
{\preparetreenode \sectiontok\expandafter{\treenode}}
{\appendchildtree\treetok\sectiontok}
\etocsetstyle{subsection}
{\etocskipfirstprefix}
{\appendchildtree\sectiontok\subsectiontok}
{\preparetreenode \subsectiontok\expandafter{\treenode}}
{\appendchildtree\sectiontok\subsectiontok}
\etocsettocstyle
{\treetok{\node {\hyperref[part:overview]{Overview}}}}
{\global\appendtotok\treetok{ ;}}
\begin{figure}[thbp!]\centering
\etocsetnexttocdepth{subsection}
\tableofcontents \label{toc:molecule} \ref{toc:overview}
\hypersetup{hidelinks}%
\begin{tikzpicture}
[grow cyclic,
level 1/.style={level distance=4cm,sibling angle=72},
level 2/.style={level distance=2cm,sibling angle=60},
every node/.style={ball color=red,circle,text=SkyBlue},
edge from parent path={[dashed,very thick,color=cyan]
(\tikzparentnode) --(\tikzchildnode)}]
\the\treetok
\end{tikzpicture}
\end{figure}
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