Using CN(C)C=O, O=C(O)c1ccc2c(c1)Sc1ccc(O)cc1C=C2 to produce COc1ccc2c(c1)C=Cc1ccc(C(=O)O)cc1S2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.