You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (3S,3aR,6aR)-5-(4-chloro-3-nitrophenyl)-2-phenyl-3-(4-phenylmethoxyphenyl)-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazole-4,6-dione is given. What is its corresponding molecular formula?
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C30H22ClN3O6
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