Using FC(F)(F)CS, CCOC(=O)Cc1ccc(OC)c(Oc2ccc([N+](=O)[O-])cc2CBr)c1 to produce CCOC(=O)Cc1ccc(OC)c(Oc2ccc([N+](=O)[O-])cc2CSCC(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.