Using O=C(O)Cc1ccc(Br)cc1F, CC1(c2nnc(N)s2)CC1 to produce CC1(c2nnc(NC(=O)Cc3ccc(Br)cc3F)s2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.