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What is the molecular formula of the compound with this IUPAC name (2'R,3'R,5'S,6S)-2-chloro-3'-(3-chloro-2-fluorophenyl)-N-(4-cyano-2-methoxyphenyl)-5'-(2,2-dimethylpropyl)-5-oxospiro[4H-thieno[3,2-b]pyrrole-6,4'-pyrrolidine]-2'-carboxamide ?
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C29H27Cl2FN4O3S
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