Using COc1nc(C)cnc1NC(=O)OCC(C)C, O=S(=O)(Cl)c1cccnc1Cl to produce COc1nc(C)cnc1N(C(=O)OCC(C)C)S(=O)(=O)c1cccnc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.