Using Nc1nc2c(c(N3CC4CC3CN(Cc3ccccc3)C4)n1)CCCc1ccccc1-2 to produce Nc1nc2c(c(N3CC4CNCC3C4)n1)CCCc1ccccc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.