Using O=C(Cl)Oc1ccccc1, N#Cc1c(Br)[nH]c(Br)c1Br to produce N#Cc1c(Br)c(Br)n(C(=O)Oc2ccccc2)c1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.