The SMILES CCC1(c2ccccc2)C(=O)NC(=O)NC1=O is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
5-ethyl-5-phenyl-1,3-diazinane-2,4,6-trione