You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-phenyl-4-(3-phenylphenyl)-6-[11-phenyl-18-[4-phenyl-6-(3-phenylphenyl)-1,3,5-triazin-2-yl]-4-pentacyclo[6.6.6.02,7.09,14.015,20]icosa-2(7),3,5,9(14),10,12,15(20),16,18-nonaenyl]-1,3,5-triazine into molecular formula.
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C68H44N6
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