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-(7-methoxyspiro[3H-1-benzofuran-2,1'-cyclopentane]-4-yl)-[1,3]oxazolo[4,5-c]pyridine is given. What is its corresponding molecular formula?
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C19H18N2O3
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