Based on the SMILES representation CCCCC1=NC2(CCCC2)C(=O)N1Cc1ccc(-c2ccccc2-c2nn[n-]n2)cc1, the molecule is not a hERG blocking compound (<10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
2-butyl-3-[[4-[2-(1,2,4-triaza-3-azanidacyclopenta-1,4-dien-5-yl)phenyl]phenyl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-one