Using CC(C)(C)OC(=O)NC(C)(c1ccccc1)C1CCC(=O)CC1 to produce CC(C)(C)OC(=O)NC(C)(c1ccccc1)C1CCC(O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.