The SMILES CCCNc1nc(C)cc(-c2cc(C(=O)NC3CCCC3)on2)n1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.