Using O=c1n(CCCF)nnn1-c1cc(Oc2ccc(O)cc2)c(Cl)cc1F, CCOC(=O)C(C)Br to produce CCOC(=O)C(C)Oc1ccc(Oc2cc(-n3nnn(CCCF)c3=O)c(F)cc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.