Using Nc1cc(F)c(Cl)cc1S(=O)(=O)Nc1ccc(Cl)c2cccnc12 to produce O=S1(=O)Nc2c(cc(Cl)c3cccnc23)-c2cc(F)c(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.