Using CC=O, CS(=O)(=O)NC(=O)c1cc(Br)c(OCC23CC4CC(CC(C4)C2)C3)cc1F to produce CC(O)CS(=O)(=O)NC(=O)c1ccc(OCC23CC4CC(CC(C4)C2)C3)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.