You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(17-methoxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-ylidene)amino]oxypropan-1-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H38N2O2
assistant