Using CCN(CC)CCCCOc1ccc(C(=C(Cl)c2ccccc2)c2ccccc2)cc1 to produce CCN(CC)CCCCOc1ccc(/C(=C(/Cl)c2ccccc2)c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.