Using Cc1cc(OCc2ccccc2)c(C=O)c(C)n1, CCCCc1ccc(Br)cc1 to produce CCCCc1ccc(C(O)c2c(OCc3ccccc3)cc(C)nc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.