Using Cc1cn([C@H]2C[C@H](O)[C@@H](CN=[N+]=[N-])O2)c(=O)[nH]c1=O to produce Cc1cn([C@H]2C[C@H](O)[C@@H](CN)O2)c(=O)[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.