You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [2-hydroxy-4-[1-[1-[2-[3-hydroxy-4-(2-methylprop-2-enoyloxy)butoxy]-7-[2-hydroxy-3-(2-methylprop-2-enoyloxy)propoxy]naphthalen-1-yl]-1-(4-phenylphenyl)ethyl]-7-[2-hydroxy-3-(2-methylprop-2-enoyloxy)propoxy]naphthalen-2-yl]oxybutyl] 2-methylprop-2-enoate by IUPAC nomenclature, provide its molecular formula.
user
C64H70O16
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