You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (5b,11a-dimethyl-1,2,3,4,5,5a,6,7,7a,8,9,10,11,11b,12,13,13a,13b-octadecahydrocyclopenta[a]chrysen-3a-yl)methanol;prop-1-ene .
user
C27H46O
assistant