Using NC(=O)C1(Nc2ccccc2)CCNCC1, ClCC1=Cc2ccccc2CC1 to produce NC(=O)C1(Nc2ccccc2)CCN(CC2=Cc3ccccc3CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.