Using CC(C)(C)OC(=O)N1CCN(c2ccc(Br)cc2C(C)(C)C)CC1, CC(C)=O to produce CC(C)(C)OC(=O)N1CCN(c2ccc(C(C)(C)O)cc2C(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.