Using CCCCCN1C(=O)C(C)(C)c2cc(NC(=O)/C=C/c3ccccc3N)c(N)cc21 to produce CCCCCN1C(=O)C(C)(C)c2cc3[nH]c(/C=C/c4ccccc4N)nc3cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.