Using COc1ccc(CSc2nc(C)c(C=O)n2C)cc1, CC(SC(C)S(C)=O)S(C)=O to produce COc1ccc(CSc2nc(C)c(C=C(SC)S(C)=O)n2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.