Using CC(C)(C)c1cc(N)n(-c2ccc(C(=O)O)c(Cl)c2)n1 to produce CC(C)(C)c1cc(N)n(-c2ccc(CO)c(Cl)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.