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 (2R)-1-[1-[4-(difluoromethoxy)phenyl]-2,5-dimethylpyrrol-3-yl]-2-(1-methyltetrazol-5-yl)sulfanylpropan-1-one into molecular formula.
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C18H19F2N5O2S
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