Using [O-][Cl+][O-], CC(C)(C)[Si](C)(C)n1ccc2cc(C=O)cnc21 to produce CC(C)(C)[Si](C)(C)n1ccc2cc(C(=O)O)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.