Using COc1ccc(-c2cc3cc(Cl)ccn3n2)cc1, CC(=O)OC(C)=O to produce COc1ccc(-c2nn3ccc(Cl)cc3c2C(C)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.