Using Clc1ncc2c(n1)N1CCOCC1CN2, BrCc1cccc(Br)n1 to produce Clc1ncc2c(n1)N1CCOCC1CN2Cc1cccc(Br)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.