Using Brc1ccc2c(c1)OCO2, CC(C)N(C(=O)c1ccc(C=O)cc1)C1CCCCC1 to produce CC(C)N(C(=O)c1ccc(C(O)c2ccc3c(c2)OCO3)cc1)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.