Using Fc1ccc(N2CCN(CCCc3[nH]nc4c3CN(Cc3ccccc3)CC4)CC2)cc1 to produce Fc1ccc(N2CCN(CCCc3[nH]nc4c3CNCC4)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.