You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-[2,4-diethynyl-5-methyl-3-(4-methylphenyl)phenyl]but-1-en-2-yl]-3-methylidene-2,4-dihydro-1H-naphthalene into molecular formula.
user
C33H30
assistant