Using FCCI, COc1cc(O)cc(OC)c1-c1csc2c(NC(=O)OC(C)(C)C)c(OC)nn12 to produce COc1cc(OCCF)cc(OC)c1-c1csc2c(NC(=O)OC(C)(C)C)c(OC)nn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.