You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[bis[(2,6-dimethylpyridin-3-yl)methyl]amino]-6-[[(1S,2S)-2-(5-methoxypyridin-2-yl)cyclopropyl]methoxy]-2-methylpyridazin-3-one by IUPAC nomenclature, provide its molecular formula.
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C31H36N6O3
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