Using FCCBr, CN(C)C=NS(=O)(=O)c1c2c(O)cccc2nn1C to produce CN(C)C=NS(=O)(=O)c1c2c(OCCF)cccc2nn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.