You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[4,5-bis(2,5-dimethylthiophen-3-yl)thiophen-2-yl]-3-hydroxy-1-thiophen-2-ylprop-2-en-1-one .
user
C23H20O2S4
assistant