Using C[C@]12CCC(=O)C(N=[N+]=[N-])=C1CCc1cc(Cl)ccc12 to produce C[C@]12CCC(=O)C(N)=C1CCc1cc(Cl)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.