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system
10-(2,6-diphenylpyrimidin-4-yl)-14,17,19,21-tetrazapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1(21),2,4,6,8(13),9,11,15,17,19-decaene;17-(4,6-diphenylpyrimidin-2-yl)-4,14,21-triazapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1(21),2(7),3,5,8,10,12,15(20),16,18-decaene;17-(4,6-diphenyl-1,3,5-triazin-2-yl)-11,14,19,21-tetrazapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1(21),2,4,6,8(13),9,11,15(20),16,18-decaene;10-phenyl-3-(3,5,7,10-tetrazahexacyclo[10.10.1.02,10.04,9.013,18.019,23]tricosa-1(22),2,4,6,8,11,13,15,17,19(23),20-undecaen-11-yl)phenoxazine The above is the IUPAC name of a molecule. Write its molecular formula.
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C136H81N23O
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