Using CCOC(=O)c1cccc(S(=O)(=O)Nc2cccc(F)c2)c1 to produce O=C(O)c1cccc(S(=O)(=O)Nc2cccc(F)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.