Using CI, CC(C)(C)OC(=O)N1CC(C(=O)Nc2cc(Cl)ccc2Br)C1 to produce CN(C(=O)C1CN(C(=O)OC(C)(C)C)C1)c1cc(Cl)ccc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.