Using COc1cc(OC)c(-c2ccnn2-c2ccccc2Cl)cc1C=Cc1ccncc1 to produce COc1cc(OC)c(-c2ccnn2-c2ccccc2Cl)cc1CCc1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.