Using FC(F)(F)c1ccc(N2CCC(Br)CC2)nc1, CCCOc1cc(C(F)(F)F)ccc1S to produce CCCOc1cc(C(F)(F)F)ccc1SC1CCN(c2ccc(C(F)(F)F)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.