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-[5-(3-chloro-4-methylphenyl)-3-[3-(4-methoxyphenoxy)phenyl]-4,6-dioxo-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazol-2-yl]-2-phenylacetamide by IUPAC nomenclature, provide its molecular formula.
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C33H28ClN3O6
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