Using CCOC(=O)C1=C(O)c2cc3ccccc3n2CC1, CCOC(=O)CBr to produce CCOC(=O)CC1(C(=O)OCC)CCn2c(cc3ccccc32)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.