Using O=Cc1ccc(C(F)(F)F)cc1, CCCCCCCCCCCCNS(=O)(=O)c1ccc(CN)s1 to produce CCCCCCCCCCCCNS(=O)(=O)c1ccc(CNCc2ccc(C(F)(F)F)cc2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.