Using CCOC(=O)CC1CCC(c2ccc(-c3ccc(Cl)nn3)cc2)CC1, Nc1cccc(Cl)c1 to produce CCOC(=O)CC1CCC(c2ccc(-c3ccc(Nc4cccc(Cl)c4)nn3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.