Using CCCCSC1CC(=O)N1CC(=O)CCc1ccccc1, O=C(OO)c1cccc(Cl)c1 to produce CCCCS(=O)C1CC(=O)N1CC(=O)CCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.