You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (3R,3aR,6aR)-5-(4-chlorophenyl)-3-(4-methylphenyl)-2-(3-nitrophenyl)-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazole-4,6-dione .
user
C24H18ClN3O5
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