You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
butane;cyclohexa-1,5-dien-1-yl-methylidene-oxo-[4-[4-[2-(4-pentan-3-ylcyclohexa-1,3-dien-1-yl)propan-2-yl]cyclohexa-1,3-dien-1-yl]oxyphenyl]-lambda6-sulfane;propane is the IUPAC name of a molecule. Please give its molecular formula.
user
C40H60O2S
assistant