Using CCOC(=O)CBr, O=c1[nH]c2cc(Br)ccc2c(=O)n1Cc1ccc(Br)cc1F to produce CCOC(=O)Cn1c(=O)n(Cc2ccc(Br)cc2F)c(=O)c2ccc(Br)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.