Using CCOC(=O)C(=O)Cl, Clc1cccc(Nc2ncc(-c3ccc(C4=CCNCC4)cc3)o2)c1 to produce CCOC(=O)C(=O)N1CC=C(c2ccc(-c3cnc(Nc4cccc(Cl)c4)o3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.