Using Cc1oc(-c2ccccc2)nc1CCCC(C)Br, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(CCCCCc1nc(-c2ccccc2)oc1C)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.