You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 11-[4-(cyclopropylidenemethyl)phenyl]-5',5',13-trimethylspiro[2,4,5,6,7,8,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,2'-oxane]-17-ol by IUPAC nomenclature, provide its molecular formula.
user
C34H46O2
assistant