Using CC1(C)COC(c2ccc(OCCC3CCN(Cc4ccccc4)CC3)cc2)=N1 to produce CC1(C)COC(c2ccc(OCCC3CCNCC3)cc2)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.