You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4,6a,6b,8a,11,14a-hexamethyl-2-methylidene-8,9,10,11,12,12a,13,14-octahydro-7H-picen-3-ol ?
user
C29H40O
assistant