Using C(=C[C@H]1CC[C@H](Nc2ncnc3[nH]ncc23)CC1)CCc1ccccc1 to produce c1ccc(CCCC[C@H]2CC[C@H](Nc3ncnc4[nH]ncc34)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.