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 (8S,9S,13S,14S,17Z)-17-[(Z)-(3,4-dimethoxyphenyl)methylidenehydrazinylidene]-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-ol .
user
C27H32N2O3
assistant