Using O=C(CCl)Nc1ccccc1, NC1CCN(CCCC(=O)c2ccccc2)CC1 to produce O=C(CNC1CCN(CCCC(=O)c2ccccc2)CC1)Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.