Using COc1ccc2ccc(F)c(CBr)c2n1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(Cc1c(F)ccc2ccc(OC)nc12)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.