Using Nc1ccc(Cl)cc1N, CC(C)(C)OC(=O)NC1(C(=O)O)CCOC1 to produce CC(C)(C)OC(=O)NC1(c2nc3cc(Cl)ccc3[nH]2)CCOC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.