Using O=C(Cl)Cl, CSc1ncc(CNc2c(Cl)cccc2Cl)c(Nc2ccccc2)n1 to produce CSc1ncc2c(n1)N(c1ccccc1)C(=O)N(c1c(Cl)cccc1Cl)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.