Using O=C(c1cc(F)ccc1C(F)(F)F)N1CCN(c2ncc(S(=O)(=O)NCCC3CC3)cc2Br)CC1 to produce O=C(c1cc(F)ccc1C(F)(F)F)N1CCN(c2ccc(S(=O)(=O)NCCC3CC3)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.