Using Oc1ccc2c(c1)[nH]c1ccccc12, CCOC(=O)CCCCCBr to produce CCOC(=O)CCCCCOc1ccc2c(c1)[nH]c1ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.