You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]-1-[3-(6-methoxypyridazin-3-yl)oxypiperidin-1-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
user
C22H27N3O5
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