Using NC(=O)N1C(=O)Cc2cc(Cl)ccc21, CSc1nnc(C(=O)Cl)o1 to produce CSc1nnc(C2C(=O)N(C(N)=O)c3ccc(Cl)cc32)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.