Using O=C([O-])[O-], CSc1nccc(-c2c3cccnc3n3c(N)nccc23)n1 to produce CS(=O)c1nccc(-c2c3cccnc3n3c(N)nccc23)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.