Using CN1C(=O)CS(=O)(=O)c2cc(Cl)ccc21, O=C=Nc1ccc(F)cc1 to produce CN1C(=O)C(C(=O)Nc2ccc(F)cc2)S(=O)(=O)c2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.