Using CCOC(=O)CCc1c(C=O)[nH]c(C(=O)OCC)c1C, COc1ccc2c(c1)NC(=O)C2 to produce COc1ccc2c(c1)NC(=O)C2=Cc1[nH]c(C(=O)O)c(C)c1CCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.