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 13-(hydroxymethyl)-3,13,23-triazahexacyclo[14.7.0.02,10.04,9.011,15.017,22]tricosa-1,3,5,7,9,11,14,16,18,20,22-undecaene-12,14-diol is given. What is its corresponding molecular formula?
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C21H13N3O3
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