You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethane;1-[10-ethyl-3-(methoxymethyl)-13-methyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H46O2
assistant