Using CC(C)(C)OC(=O)N1[C@@H](CCc2ccc(Cl)nc2)COC1(C)C, Nc1ncc(Cl)cn1 to produce CC(C)(C)OC(=O)N1[C@@H](CCc2ccc(Nc3ncc(Cl)cn3)nc2)COC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.