Using CC(C)(C)OC(=O)N1CCC[C@@H]1C=O, CCOC(=O)CBr to produce CCOC(=O)CC(O)C1CCCN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.