Using OCc1ccc(Br)o1, Cn1c(C2CC2)nc2ccc(-n3ccc(Cl)cc3=O)cc21 to produce Cn1c(C2CC2)nc2ccc(-n3ccc(OCc4ccc(Br)o4)cc3=O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.