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 5-[(1S)-1-aminoethyl]-2-[3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-N-(1H-pyrazol-4-yl)-1,3-oxazole-4-carboxamide;dihydrochloride into molecular formula.
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C20H23Cl2F2N5O4
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