Using Cc1nc(-c2cccc(Oc3ccc4c(c3)S(=O)(=O)N(C(=O)OC(C)(C)C)CCO4)c2)no1 to produce Cc1nc(-c2cccc(Oc3ccc4c(c3)S(=O)(=O)NCCO4)c2)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.