Using O=Cc1ccc(Cl)cc1, O=C1CSc2ccc3ccccc3c2N1 to produce O=C1Nc2c(ccc3ccccc23)SC1=Cc1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.