Using O=C1CN(c2ccc(I)cc2OCc2ccccc2)S(=O)(=O)N1, C=Cn1cncn1 to produce O=C1CN(c2ccc(/C=C/n3cncn3)cc2OCc2ccccc2)S(=O)(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.