Using COC(N)=O, CCN(CC)C(=O)c1ccc(C(C)(C)C)cc1C=O to produce CCN(CC)C(=O)c1ccc(C(C)(C)C)cc1CNC(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.