Using COC(=O)c1ccc(Cl)c(C(C)C(O)(c2cncc(C)n2)C(F)(F)F)c1 to produce Cc1cncc(C(O)(C(C)c2cc(C(=O)O)ccc2Cl)C(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.