Using O=C1Nc2cccnc2N(C(=O)CCl)c2ccccc21, CN(C)C1CCNCC1 to produce CN(C)C1CCN(CC(=O)N2c3ccccc3C(=O)Nc3cccnc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.