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 5-[4-hexyl-5-[5-[5-(3-hexylthiophen-2-yl)thiophen-2-yl]thiophen-2-yl]thiophen-2-yl]furan-2-carbaldehyde .
user
C33H36O2S4
assistant