Using CCC(CC)N1CCc2c(C)nc3c(-c4oc5ccccc5c4Br)c(C)nn3c21 to produce CCC(CC)n1ccc2c(C)nc3c(-c4oc5ccccc5c4Br)c(C)nn3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.