Using COc1cc(OC)c(Cl)c(-c2cc3c(cn2)c(/C=C/c2cnn(C)c2)nn3C2CCCCO2)c1Cl to produce COc1cc(OC)c(Cl)c(-c2cc3[nH]nc(/C=C/c4cnn(C)c4)c3cn2)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.