You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[3-[(1S,9R)-6-hydroxy-1,13,13-trimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-triene-10-carbonyl]cyclopentyl]-4-methoxybenzenesulfonamide by IUPAC nomenclature, provide its molecular formula.
user
C28H36N2O5S
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