Using COc1cc2nccc(O)c2cc1OC, O=c1ccc(Br)cn1CCBr to produce COc1cc2c(=O)ccn(CCn3cc(Br)ccc3=O)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.