Using CCOC(=O)C1(C)CCN(c2ccc(C(C)(C)C)cc2)CC1 to produce CC1(C(=O)O)CCN(c2ccc(C(C)(C)C)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.