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 [1-[3-(2-methoxypyridin-3-yl)imidazo[1,2-b]pyridazin-6-yl]pyrrolidin-3-yl] N-methylcarbamate into molecular formula.
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C18H20N6O3
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