Using Cc1cc(C)n2nc(C=Cc3nc(N4CCCC4)nn3C)nc2n1 to produce Cc1cc(C)n2nc(CCc3nc(N4CCCC4)nn3C)nc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.