Using O=C1CCC(=O)N1Br, O=[N+]([O-])c1ccc(C2CCCCC2)cc1 to produce O=[N+]([O-])c1ccc(C2(Br)CCCCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.