Using C=C(C)c1cc(Br)c2ccccc2n1, COC(=O)c1ccc(C=O)cc1 to produce C=C(C)c1cc(C(O)c2ccc(C(=O)OC)cc2)c2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.