Using CCOC(=O)CCc1ccc(-c2ccc(OC)cc2)n1-c1ccc(C(N)=O)cc1C to produce COc1ccc(-c2ccc(CCC(=O)O)n2-c2ccc(C(N)=O)cc2C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.