Using CCN(CC)CC, COc1ccc2c(c1)CCC(CN1CCC(c3ccccc3)CC1)C2=O to produce COc1ccc2c(c1)CCC(C)(CN1CCC(c3ccccc3)CC1)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.