Using CCOC(=O)Cc1c(Cl)nc(SCc2cccc(F)c2F)nc1NCc1ccc(OC)cc1OC to produce O=C1Cc2c(Cl)nc(SCc3cccc(F)c3F)nc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.