Using COc1cccc(C=CC2=NN=C(C)Cc3cc4c(cc32)OCO4)c1OC to produce COc1cccc(C=CC2=NNC(C)Cc3cc4c(cc32)OCO4)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.