You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [2-[(3R,3aS,6aR)-5-(3-chloro-2-methylphenyl)-4,6-dioxo-2-phenyl-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazol-3-yl]phenyl] benzenesulfonate by IUPAC nomenclature, provide its molecular formula.
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C30H23ClN2O6S
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