Using COc1nccc2cc(S(=O)(=O)N3CCCN(C(=O)OC(C)(C)C)CC3)ccc12 to produce O=c1[nH]ccc2cc(S(=O)(=O)N3CCCNCC3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.