Using Cc1nc2c(C#N)cc(N3CCOCC3)cc2n1Cc1cccc2ccccc12, [N-]=[N+]=[N-] to produce Cc1nc2c(-c3nnn[nH]3)cc(N3CCOCC3)cc2n1Cc1cccc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.