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What is the molecular formula of the compound with this IUPAC name tert-butyl (2R)-4-[(2R)-2-(N-(2-chloroacetyl)-2-methyl-4-phenoxyanilino)-2-(2,3-dihydrothiophen-2-yl)acetyl]-2-methylpiperazine-1-carboxylate ?
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C31H38ClN3O5S
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