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What is the molecular formula of the molecule identified by [(2S)-2-cyclohexyl-4-phenylpiperidin-1-yl]-[(3'S,4S)-8-methoxyspiro[1,3-dihydroisochromene-4,4'-pyrrolidin-1-ium]-3'-yl]methanone ?
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C31H41N2O3+
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