Using Cc1c(CN2CCN(c3nccnc3-c3ccc(CCl)cc3)CC2)cnn1C, c1cn[nH]c1 to produce Cc1c(CN2CCN(c3nccnc3-c3ccc(Cn4cccn4)cc3)CC2)cnn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.