Using COc1c(C)cnc(CCl)c1C, FC1Oc2cc3[nH]c(S)nc3cc2OC1(F)F to produce COc1c(C)cnc(CSc2nc3cc4c(cc3[nH]2)OC(F)C(F)(F)O4)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.