Using CC1(C(=O)c2c[nH]c3ncc(Br)nc23)CCC(OCc2ccccc2)CC1 to produce CC1(C(=O)c2c[nH]c3nccnc23)CCC(OCc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.