Using COC(=O)CS, O=c1[nH]c(=O)n(-c2ccc(Cl)nn2)cc1C1c2ccccc2C=Cc2ccccc21 to produce COC(=O)CSc1ccc(-n2cc(C3c4ccccc4C=Cc4ccccc43)c(=O)[nH]c2=O)nn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.