You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 7-chloro-3-[[4-hydroxy-1-[(3R,4R)-3-phenyl-1-(pyrazin-2-ylmethyl)piperidine-4-carbonyl]piperidin-4-yl]methyl]thieno[3,4-d]pyrimidin-4-one into molecular formula.
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C29H31ClN6O3S
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