Using CC(C)Oc1ncc(-c2nc(-c3cccc4c(CCC(=O)OC(C)(C)C)nccc34)no2)cc1Cl to produce CC(C)Oc1ncc(-c2nc(-c3cccc4c(CCC(=O)O)nccc34)no2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.