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What is the molecular formula of the compound with this IUPAC name 3-[[3,5-dichloro-2-methyl-4-(1-methyl-6-oxo-5-propan-2-ylpyridazin-3-yl)oxyanilino]methyl]-1,2,4-oxadiazolidin-5-one ?
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C18H21Cl2N5O4
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