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What is the molecular formula of the molecule ethyl 2-[[2-[2-[(6-ethoxy-3-ethyl-1,3-benzothiazol-2-ylidene)amino]-2-oxoethyl]sulfonylacetyl]amino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate ?
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C27H33N3O7S3
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