Using NC1CCCC1, COC(=O)c1cncc(-c2csc(N=C(N)N)n2)c1 to produce NC(N)=Nc1nc(-c2cncc(C(=O)NC3CCCC3)c2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.