You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[4-[2-[4-[[4-[2-(4-heptylsulfanylphenyl)ethynyl]-2-methylphenoxy]methyl]phenyl]ethynyl]phenyl]sulfanylpropyl prop-2-enoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H44O3S2
assistant