Using CC(C)(C)OC(=O)N1CCN(CC(=O)O)CC1, Nc1cccc(Cl)c1 to produce CC(C)(C)OC(=O)N1CCN(CC(=O)Nc2cccc(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.