You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-hexyl-2-[5-[5-(5-hexylthiophen-2-yl)thiophen-2-yl]thiophen-2-yl]-5-methylthiophene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H36S4
assistant