Using C1=COCCC1, O=[N+]([O-])c1cc(Br)cc2[nH]ncc12 to produce O=[N+]([O-])c1cc(Br)cc2nn(C3CCCCO3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.