Using CCOC(=O)CC(=O)Nc1cc(Br)c(Oc2cc(C)c(O)c(C(C)C)c2)c(Br)c1C(F)(F)F to produce Cc1cc(Oc2c(Br)cc(NC(=O)CC(=O)O)c(C(F)(F)F)c2Br)cc(C(C)C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.