Using CCOC(=O)C[C@H](NC(=O)CN)c1cc(Br)cc(C(C)(C)C)c1, O=C([O-])O to produce CCOC(=O)C[C@H](NC(=O)CNC(=O)OC(C)(C)C)c1cc(Br)cc(C(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.