You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named methyl (1S,4S,6R,8S,9R)-6-methyl-11-[4-[(4-methylphenyl)sulfonylamino]butyl]-3-azatricyclo[6.2.2.04,9]dodec-11-ene-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C25H36N2O4S
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