Using COC(=O)c1cc(NC2CC2)nc(N(C)S(C)(=O)=O)c1 to produce CN(c1cc(C(=O)O)cc(NC2CC2)n1)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.