Using Cc1ccc(S(=O)(=O)n2cc(C(=O)O)c3cc(-c4cncc(OC(C)C)n4)ccc32)cc1 to produce CC(C)Oc1cncc(-c2ccc3[nH]cc(C(=O)O)c3c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.