Using CN1CCc2cc(N3C[C@@H](CN=[N+]=[N-])OC3=O)ccc2C1 to produce CN1CCc2cc(N3C[C@H](CN)OC3=O)ccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.