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What is the molecular formula of the molecule 1-[1-[(3aS,6aR)-5-(3-chloro-5-fluorophenoxy)-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-2-carbonyl]pyrazol-3-yl]ethanone ?
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C19H19ClFN3O3
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