Using CC(=O)NC[C@H]1CN(c2ccc(C(=O)c3ccc[nH]3)cc2)C(=O)O1, CI to produce CC(=O)NC[C@H]1CN(c2ccc(C(=O)c3cccn3C)cc2)C(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.