Using COc1cccc2c1Oc1ccccc1C21CCN(Cc2ccccc2)CC1 to produce Oc1cccc2c1Oc1ccccc1C21CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.