Using BrCc1ccccc1, Cc1cc(O)c(C23CC4CC(CC(C4)C2)C3)cc1Br to produce Cc1cc(OCc2ccccc2)c(C23CC4CC(CC(C4)C2)C3)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.