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 1-(4,4-dimethyl-1,3-oxazolidine-3-carbonyl)-N-phenylmethoxybenzotriazole-5-carboxamide is given. What is its corresponding molecular formula?
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C20H21N5O4
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