You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(4-chlorophenyl)-3-[(Z)-4-(4-methoxyphenyl)-3-[4-[3-[(E)-1-(4-methoxyphenyl)-4-[(4-methoxyphenyl)carbamothioylamino]-2-phenylbut-1-enyl]phenyl]phenyl]-4-phenylbut-3-enyl]thiourea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C61H55ClN4O3S2
assistant