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 6-amino-N-[2-[9-[2-(3-formyl-2-methylcyclobutyl)-2-oxoethyl]-5b,8,8,11a-tetramethyl-2-oxo-1-propan-2-yl-3,4,5,5a,6,7,7a,9,10,11,11b,12,13,13a-tetradecahydrocyclopenta[a]chrysen-3a-yl]ethyl]pyridine-3-carboxamide;methanol .
user
C45H67N3O5
assistant