You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[4-[2-[6-[2-(4-hex-1-en-2-yloxyphenyl)-2-oxoethyl]naphthalen-2-yl]acetyl]phenyl]-6-methyloctan-2-one by IUPAC nomenclature, provide its molecular formula.
user
C41H46O4
assistant