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 2-(7-methoxyindazol-1-yl)-1-[(17S)-10-(methoxymethyl)-3,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone .
user
C31H44N2O3
assistant