Based on the SMILES O=C(CCCn1ncn2c(cc3occc32)c1=O)N1CCc2ccccc2C1, the molecule is a hERG blocking compound (IC50 less than 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.