You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 18-[4-(2,4-diphenyl-1,2,3,4-tetrahydro-1,3,5-triazin-6-yl)phenyl]-9-oxa-18-azahexacyclo[15.7.0.02,10.03,8.011,16.019,24]tetracosa-1(17),2(10),3,5,7,11,13,15,19,21,23-undecaene into molecular formula.
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C43H30N4O
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