Using O=C1c2ccccc2C(=O)N1CCCCBr, OCc1cc(O)cc(CO)c1 to produce O=C1c2ccccc2C(=O)N1CCCCOc1cc(CO)cc(CO)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.