Using CCOC(=O)c1cc2c(-c3cn(S(=O)(=O)c4ccccc4)c4ccccc34)nc(N)nc2s1 to produce Nc1nc(-c2c[nH]c3ccccc23)c2cc(C(=O)O)sc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.