Using CN(Cc1cc(-c2ccc(C=C3SC(=O)NC3=O)cc2)cs1)C(=O)c1ccccc1 to produce CN(Cc1cc(-c2ccc(CC3SC(=O)NC3=O)cc2)cs1)C(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.