Using C[O-], Cc1n[nH]c(=O)c(-c2c(F)cc(F)cc2F)c1-c1ccc(Cl)cc1 to produce COc1cc(F)c(-c2c(-c3ccc(Cl)cc3)c(C)n[nH]c2=O)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.