Using COC(=O)CCCCCCC(=O)Nc1nc(-c2cccc(N)c2)cs1, NO to produce Nc1cccc(-c2csc(NC(=O)CCCCCCC(=O)NO)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.