Using Cn1cnc2cc(-c3ccc(N4CCOCC4)cc3)nc(N[C@@H]3CCNC3)c2c1=O, N#CO[K] to produce Cn1cnc2cc(-c3ccc(N4CCOCC4)cc3)nc(N[C@@H]3CCN(C(N)=O)C3)c2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.