Using COC(=O)[C@H](Cc1cc(Cl)c(O)c(Cl)c1)NC(=O)C(F)(F)F, OCc1cccc2nc(-c3ccccc3)oc12 to produce COC(=O)[C@H](Cc1cc(Cl)c(OCc2cccc3nc(-c4ccccc4)oc23)c(Cl)c1)NC(=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.