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What is the molecular formula of the compound with this IUPAC name [2-[[(6S)-3-carbamoyl-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]amino]-2-oxoethyl] (E)-3-phenylprop-2-enoate ?
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C21H22N2O4S
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