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system
Provide the molecular formula for the IUPAC named substance (3S,7S)-5-(2,3-dihydro-1-benzofuran-5-ylsulfonyl)-12,21-dimethoxy-2,15-dioxa-5,8,18-triazatetracyclo[18.2.2.110,14.03,7]pentacosa-1(22),10(25),11,13,20,23-hexaene-9,17-dione .
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C30H31N3O9S
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