Using Clc1ncnc2[se]c3c(c12)CCCC3, CC(C)(C)c1cc(N)c(C(N)=O)s1 to produce CC(C)(C)c1cc(Nc2ncnc3[se]c4c(c23)CCCC4)c(C(N)=O)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.