Using O=C(CCCCCCBr)NOCc1ccccc1, Oc1ccc2c(c1)[nH]c1ccccc12 to produce O=C(CCCCCCOc1ccc2c(c1)[nH]c1ccccc12)NOCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.