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-[[17-ethenyl-10-(hydroxymethyl)-13-methyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-3,5-dihydroxy-6-methyloxan-4-yl] acetate .
user
C29H46O7
assistant