You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (Z)-3-[5-[(Z)-2-cyano-2-phenylethenyl]thiophen-2-yl]-2-(5-methylcyclohepta-1,4,6-trien-1-yl)prop-2-enenitrile .
user
C24H18N2S
assistant