You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(2-methoxyethyl)-N-[[1-[(4-methoxyphenyl)methyl]imidazol-2-yl]methyl]cyclobutanecarboxamide is given. What is its corresponding molecular formula?
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C20H27N3O3
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