Using CS(=O)(=O)OS(C)(=O)=O, COC(=O)c1ccc(C(=O)OC)c(N)c1 to produce CS(=O)(=O)Nc1cc(C(=O)O)ccc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.