Using CC(=O)Nc1nc(CCCN2CCN(C(c3ccccc3)c3ccccc3)CC2)cs1 to produce Nc1nc(CCCN2CCN(C(c3ccccc3)c3ccccc3)CC2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.