Based on the SMILES Nc1nc(N)nc(CCCCc2nc(N)nc(N)n2)n1, the molecule is not a hERG blocker.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
6-[4-(4,6-diamino-1,3,5-triazin-2-yl)butyl]-1,3,5-triazine-2,4-diamine