Using O=C=O, Cc1cc(Br)ncc1C(Sc1ccc(F)cc1)c1cc(F)ccc1F to produce Cc1cc(C(=O)O)ncc1C(Sc1ccc(F)cc1)c1cc(F)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.