Using CON, O=C(O)c1ccccc1Nc1ccc2c(C=Cc3ccccn3)n[nH]c2c1 to produce CONC(=O)c1ccccc1Nc1ccc2c(/C=C/c3ccccn3)n[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.