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 18,18-dimethyl-3-(4-phenylquinazolin-2-yl)-25-oxa-3,5,20-triazahexacyclo[15.8.0.02,10.04,9.011,16.019,24]pentacosa-1(17),2(10),4(9),5,7,11,13,15,19(24),20,22-undecaene is given. What is its corresponding molecular formula?
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C37H25N5O
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