Using CN1c2ccccc2C(C2CCN(C(=O)OCC(Cl)(Cl)Cl)CC2)c2ccccc21 to produce CN1c2ccccc2C(C2CCNCC2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.