You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
S-[4-[4-(4-acetylsulfanylphenyl)-2,5-bis[(E)-2-phenylethenyl]phenyl]phenyl] ethanethioate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H30O2S2
assistant