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What is the molecular formula of the molecule 2-(2-formyl-5-hydroxyphenyl)-5-[(4,4,6,10,10-pentamethyl-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8-trien-7-yl)imino]pyrrolo[1,2-b][1,2,4]triazole-6,7-dicarbonitrile ?
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C31H29N7O2
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