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system
(2E)-2-[(10Z)-10-[[20-[(Z)-[(11Z)-11-[cyano(isocyano)methylidene]-9-oxo-3,7-dithiatricyclo[6.3.0.02,6]undeca-1(8),2(6),4-trien-10-ylidene]methyl]-2,14-bis[5-(2-ethylhexyl)thiophen-2-yl]-5,5,17,17-tetrakis(4-hexylphenyl)-9,12,21,24-tetrathiaheptacyclo[13.9.0.03,13.04,11.06,10.016,23.018,22]tetracosa-1(15),2,4(11),6(10),7,13,16(23),18(22),19-nonaen-8-yl]methylidene]-9-oxo-3,7-dithiatricyclo[6.3.0.02,6]undeca-1(8),2(6),4-trien-11-ylidene]-2-isocyanoacetonitrile;(2E)-2-[(10Z)-10-[[20-[(Z)-[(11Z)-11-[cyano(isocyano)methylidene]-9-oxo-3,7-dithiatricyclo[6.3.0.02,6]undeca-1(8),2(6),4-trien-10-ylidene]methyl]-2-[5-(3-ethylheptyl)thiophen-2-yl]-14-[5-(2-ethylhexylsulfanyl)thiophen-2-yl]-5,5,17,17-tetrakis(4-hexylphenyl)-9,12,21,24-tetrathiaheptacyclo[13.9.0.03,13.04,11.06,10.016,23.018,22]tetracosa-1(15),2,4(11),6(10),7,13,16(23),18(22),19-nonaen-8-yl]methylidene]-9-oxo-3,7-dithiatricyclo[6.3.0.02,6]undeca-1(8),2(6),4-trien-11-ylidene]-2-isocyanoacetonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C237H230N8O4S21
assistant