Using CCCN(CCN1C(=O)c2ccccc2C1=O)C1CCc2c(O)cccc2C1 to produce CCCN(CCN1Cc2ccccc2C1)C1CCc2c(O)cccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.