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What is the molecular formula of the molecule (3R,3'R,6'R)-6'-[2-[(1-acetylpiperidin-4-yl)methoxy]-5-ethynylphenyl]-6-chloro-3'-(3-chlorophenyl)spiro[1H-indole-3,5'-piperidine]-2,2'-dione ?
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C34H31Cl2N3O4
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