Using CCOC(=O)c1c(-c2ccc(Cl)cc2)csc1N, O=C(Cl)c1ccc(F)cc1 to produce CCOC(=O)c1c(-c2ccc(Cl)cc2)csc1NC(=O)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.