Using CCCCCC(C)C(C)c1cc(O)c(C2=CCN(Cc3ccccc3)CC2)c(OC)c1 to produce CCCCCC(C)C(C)c1cc(O)c(C2C=CNCC2)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.