Using O=C([O-])[O-], Nc1cc(F)c(S(N)(=O)=O)cc1C(=O)O to produce COC(=O)c1cc(S(N)(=O)=O)c(F)cc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.