Using N#Cc1ccc(Oc2ccc(Br)c(COC3CCCCO3)c2)c(C=O)c1 to produce N#Cc1ccc(Oc2ccc(Br)c(COC3CCCCO3)c2)c(CO)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.