Using O=c1c2c(nc3cc(Br)ccn13)CCCCC2, c1ccc(-c2c[nH]cn2)cc1 to produce O=c1c2c(nc3cc(-n4cnc(-c5ccccc5)c4)ccn13)CCCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.