Using [N-]=[N+]=Nc1ccc(Cl)cc1C1CC1, COC(=O)CC(C)=O to produce Cc1c(C(=O)O)nnn1-c1ccc(Cl)cc1C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.