Using COC(=O)c1ccc(C)c(-n2c(C)nc(O)cc2=O)c1, COc1cccc(CBr)c1 to produce COC(=O)c1ccc(C)c(-n2c(C)nc(OCc3cccc(OC)c3)cc2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.