Using CC(C)NC(=O)Cn1c(-c2ccc(F)c(Cl)c2)nc2ccc(O)cc2c1=O, ClCCCBr to produce CC(C)NC(=O)Cn1c(-c2ccc(F)c(Cl)c2)nc2ccc(OCCCCl)cc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.