Using CS(=O)(=O)c1ccc(CBr)cc1, COc1c(OC(F)F)ccc(-c2ccc3c(c2)COC3=O)c1O to produce CS(=O)(=O)c1ccc(COc2c(-c3ccc4c(c3)COC4=O)ccc(OC(F)F)c2O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.