You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule (1S,3S)-3-benzyl-4,6-dihydroxy-1-(4-nitrophenyl)-5-phenyl-1,2-dihydropyrrolo[3,4-c]pyrrole-3-carboxylic acid ?
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C26H21N3O6
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