Using Nc1cc(Cl)ccc1Br, CC(C)(C)OC(=O)N1CC(C(=O)O)C1 to produce CC(C)(C)OC(=O)N1CC(C(=O)Nc2cc(Cl)ccc2Br)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.