You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R,4S,7S,10S)-6,8-bis(methylsulfonyloxy)-10-phenyl-2-tricyclo[5.2.1.04,10]decanyl] methanesulfonate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H26O9S3
assistant