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system
Name the molecular formula for the molecule established as buta-1,3-diene;10-[4-(4,6-diphenylpyrimidin-2-yl)phenyl]-6-[(3E,5Z)-hepta-1,3,5-trien-4-yl]-14-thia-5,10-diazapentacyclo[11.7.0.03,11.04,9.015,20]icosa-1,3(11),4(9),5,7,12,15,17,19-nonaene using the IUPAC nomenclature.
user
C50H38N4S
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