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 [2-oxo-2-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)amino]ethyl] 2-hydroxybenzoate is given. What is its corresponding molecular formula?
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C16H13N3O5
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