Using O=c1c(CBr)c(-c2ccc(O)cc2)oc2ccccc12, CC(=O)[O-] to produce O=c1c(CO)c(-c2ccc(O)cc2)oc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.