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 (6S)-2-amino-5-(1-benzofuran-5-yl)-6-[4-(6-bromopyridazin-3-yl)thiophen-2-yl]-3,6-dimethyl-5H-pyrimidin-4-one into molecular formula.
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C22H18BrN5O2S
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