Chemfig: Bond line partly passing through atoms when shrinking

Instead of having - outside like this -(OC\ch{H3}), put it inside like so: (-OC\ch{H3}).

\documentclass[12pt, norsk, a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage[norsk]{babel}
\usepackage{fullpage}
\usepackage{chemfig}
\usepackage{chemformula}
\usepackage{float}

\begin{document}

\begin{figure}[H]
\centering
    \schemestart
    \setchemfig{atom sep=1.22em}
    \chemfig{**6(-(-OH)-(*6(-=(-OGlc)-(-**6(--(-OC\ch{H3})-(-OH)-((-OC\ch{H3}))--))=\chemabove{O}{+}-))---(-[,,,2]HO)-)}
    + \ch{H2O}
    \arrow(aa--ab){<=>}
    \setchemfig{atom sep=1.22em}
    \chemfig{**6(-(-OH)-(*6(-=(-OGlc)-(-**6(--(-OC\ch{H3})-(-OH)-((-OC\ch{H3}))--))(-[:105,1.5,,1]OH)-O-))---(-[,,,2]HO)-)}
    + \ch{H+}
    \arrow(@aa--ba){<=>}[-90]
    \setchemfig{atom sep=1.22em}
    \chemfig{*6(=(-OH)-(*6(=-(-OGlc)=(-**6(--(-OC\ch{H3})-(-OH)-((-OC\ch{H3}))--))-O-))-=-(=O)-)}
    + \ch{H3O+}
    \schemestop
\end{figure}
\end{document}