Using CCOC(=O)c1[nH]c(C)c(Cc2ccccc2)c1O, BrCC1CO1 to produce CCOC(=O)c1[nH]c(C)c(Cc2ccccc2)c1OCC1CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.