Using COc1ccccc1N1CCNCC1, CC(CC=O)(C(=O)C1CCCCC1)c1ccccc1 to produce COc1ccccc1N1CCN(CCC(C)(C(=O)C2CCCCC2)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.