Using CC(C)CN1CCc2c(ccc3c2CCC[C@H]3N=[N+]=[N-])C1 to produce CC(C)CN1CCc2c(ccc3c2CCC[C@H]3N)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.