Using O=C1C=C(c2ccc(Br)cc2F)C(=O)N1, C[S+](C)(C)=O to produce O=C1NC(=O)C2(c3ccc(Br)cc3F)CC12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.