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system
Name the molecular formula for the molecule established as ethyl 2-[[2-[3-[(3-chlorobenzoyl)amino]phenyl]sulfanyl-2-phenylacetyl]amino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate using the IUPAC nomenclature.
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C33H31ClN2O4S2
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