Using CS(=O)(=O)Oc1cccc(CCOc2ccc(C=C3SC(=O)NC3=O)cc2)c1 to produce CS(=O)(=O)Oc1cccc(CCOc2ccc(CC3SC(=O)NC3=O)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.