You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (3S,3aR,6aR)-3-(2,4-dimethoxyphenyl)-5-(4-methylphenyl)-2-phenyl-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazole-4,6-dione .
user
C26H24N2O5
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