Using C[C@H](CCCCn1c(=O)c2c(ncn2C)n(C)c1=O)N=[N+]=[N-] to produce C[C@@H](N)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.