Using CN1CCNCC1, [N-]=[N+]=Nc1ccc(C(=O)NCCBr)cc1 to produce CN1CCN(CCNC(=O)c2ccc(N=[N+]=[N-])cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.