Using CC(C)COC1=CC(=O)C(Cc2cccc(CCNS(=O)(=O)c3ccc(Cl)cc3)c2)C1 to produce O=C1C=C(O)C(Cc2cccc(CCNS(=O)(=O)c3ccc(Cl)cc3)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.