Using Nc1cc(OC(F)(F)F)ccc1S(=O)(=O)Nc1cccc2cccnc12 to produce O=S1(=O)Nc2c(ccc3cccnc23)-c2cc(OC(F)(F)F)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.