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system
Name the molecular formula for the molecule established as N-[(1R,2R)-6-(6,7-dihydro-5H-pyrrolo[1,2-a]imidazol-2-yl)-2-methyl-2,3-dihydro-1H-inden-1-yl]-2-[4-(hydroxymethyl)-2-methoxy-3-methylphenyl]acetamide using the IUPAC nomenclature.
user
C27H31N3O3
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