Using CC1(C)C=Cc2c(ccc3[nH]c4c(c23)CCN(Cc2ccccc2)CC4)O1 to produce CC1(C)CCc2c(ccc3[nH]c4c(c23)CCNCC4)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.