Using COC(=O)c1ccc2c(O)c(C(=O)OCc3ccccc3)c(=O)n(C)c2c1 to produce COC(=O)c1ccc2c(O)c(C(=O)O)c(=O)n(C)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.