Using CC(=O)Oc1ccc(/C=C/c2cnc(OCCOCCOCCF)c(Br)c2)cc1 to produce Oc1ccc(/C=C/c2cnc(OCCOCCOCCF)c(Br)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.