Using CC(=O)OC(C)=O, CO[C@@H]1CC[C@H](O)[C@@H](CN=[N+]=[N-])O1 to produce CO[C@@H]1CC[C@H](O)[C@@H](CNC(C)=O)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.