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 4-[(3R)-3-[4-(4-amino-2-fluorophenyl)pyridin-2-yl]oxypyrrolidin-1-yl]-5-chloro-1H-pyridazin-6-one into molecular formula.
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C19H17ClFN5O2
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