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system
Provide the molecular formula for the IUPAC named substance 2-(25-oxaheptacyclo[20.11.0.02,7.08,13.016,21.024,32.026,31]tritriaconta-1(33),2,4,6,8,10,12,14,16(21),17,19,22,24(32),26,28,30-hexadecaen-19-yl)-4-phenyl-6-(2-phenylpyrimidin-5-yl)pyrimidine .
user
C52H32N4O
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