You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(10R,13S)-17-acetyl-3-[5-[5-(5-formyl-4-methoxy-3,6-dimethyloxan-2-yl)oxy-4-methoxy-6-methyl-3-phenylsulfanyloxan-2-yl]oxy-4-methoxy-6-methyl-3-phenylsulfanyloxan-2-yl]oxy-14-hydroxy-10,13-dimethyl-1,2,3,4,7,8,9,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-12-yl] (E)-2-methylbut-2-enoate;[(10R,13S)-17-acetyl-14-hydroxy-3-(5-hydroxy-4-methoxy-6-methyl-3-phenylsulfanyloxan-2-yl)oxy-10,13-dimethyl-1,2,3,4,7,8,9,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-12-yl] (E)-2-methylbut-2-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C100H138O22S3
assistant