Using COc1ccc(-c2nn3ccc(Br)cc3c2CC=O)cc1, C1CCNCC1 to produce COc1ccc(-c2nn3ccc(Br)cc3c2CCN2CCCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.