Using OB(O)c1cccc2[nH]ccc12, CC(C)n1nc(I)c2c(N)ncnc21 to produce CC(C)n1nc(-c2cccc3[nH]ccc23)c2c(N)ncnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.