Using [N-]=[N+]=NCCOCCON, O=C(O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@@H]21 to produce [N-]=[N+]=NC(CCC[C@@H]1SC[C@@H]2NC(=O)N[C@@H]21)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.