Mechanism. Provide the complete mechanism for the reaction below. You must include appropriate arrows, intermediates, and formal charges. The ChemDraw template of this document is available on Carmen.
\( +\quad \) +
\[
\xrightarrow[\substack{\mathrm{EtOH} \\ 78^{\circ} \mathrm{C}}]{\mathrm{KOH} \text { (cat) }}
\]