Using COc1c(F)ccc(C(Nc2cccc3nc(C)ccc23)C(O)(CCl)C(F)(F)F)c1F to produce Cc1ccc2c(NC(c3ccc(F)c(O)c3F)C(O)(CCl)C(F)(F)F)cccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.