Using O=C1CCC(=O)N1Br, Cc1ccc(F)cc1S(=O)(=O)N1CCN(C(=O)C(F)(F)F)CC1 to produce O=C(N1CCN(S(=O)(=O)c2cc(F)ccc2CBr)CC1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.