Using CSc1ccc(N(C(=O)c2cnccc2C)C2CCN([C@H](C)CC#N)CC2)cc1 to produce CSc1ccc(N(Cc2cnccc2C)C2CCN([C@H](C)CCN)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.