Using CC=O, Nc1nccn2c(CC3CCNCC3)nc(-c3ccc4ccc(-c5ccccc5)nc4c3)c12 to produce CCN1CCC(Cc2nc(-c3ccc4ccc(-c5ccccc5)nc4c3)c3c(N)nccn23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.