Using CCC[C@@H]1CN(c2ccccc2)C(=O)N1C1CCNCC1, CC(=O)CCN1C(=O)c2ccccc2C1=O to produce CCC[C@@H]1CN(c2ccccc2)C(=O)N1C1CCN(C(C)CCN2C(=O)c3ccccc3C2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.