You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [17-(2-chloroethynyl)-5,10,17-trimethyl-1,2,3,4,6,7,8,9,11,12,15,16-dodecahydrocyclopenta[a]phenanthren-3-yl] acetate ?
user
C24H33ClO2
assistant