Using CS(=O)(=O)NCc1cncc(-c2cc3ccc(Cl)cc3[nH]2)c1, COC(=O)OC to produce CN(Cc1cncc(-c2cc3ccc(Cl)cc3[nH]2)c1)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.