You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[5-(2-ethoxyethoxy)-3-[2-(2-methylprop-2-enoyloxy)ethoxy]hexoxy]ethyl 2-methylprop-2-enoate by IUPAC nomenclature, provide its molecular formula.
user
C22H37O8+
assistant