Using COC(=O)[C@H](Cc1cc(Cl)c(Oc2ccc3cc(OC)ccc3c2)c(Cl)c1)NC(=O)C(F)(F)F to produce N[C@@H](Cc1cc(Cl)c(Oc2ccc3cc(O)ccc3c2)c(Cl)c1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.