Using CCc1ccc(CN(CCC(=O)OC(C)(C)C)c2nc([C@H]3CC[C@H](C(C)(C)C)CC3)cs2)s1 to produce CCc1ccc(CN(CCC(=O)O)c2nc([C@H]3CC[C@H](C(C)(C)C)CC3)cs2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.