Using CCN(CC)C(=O)c1ccc(N(Cc2ccccc2)C2CCNCC2)cc1, CC(C)=O to produce CCN(CC)C(=O)c1ccc(N(Cc2ccccc2)C2CCN(C(C)C)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.