Using O=c1[nH]c2ccccc2c2cc(CO)nn12, COc1ccc(CBr)cc1 to produce COc1ccc(Cn2c(=O)n3nc(CO)cc3c3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.