Using CC(C)(C=O)C1(O)CCN(C(=O)OCc2ccccc2)C1, CC(C)=O to produce CC(C)(C(=O)O)C1(O)CCN(C(=O)OCc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.