Using Nc1ncnc2c1c(I)nn2C1CCNCC1, O=Cc1ncc[nH]1 to produce Nc1ncnc2c1c(I)nn2C1CCN(Cc2ncc[nH]2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.