The SMILES CNc1ccc(C(=O)N2CCN(S(=O)(=O)c3ccc4c(c3)OCCCO4)CC2)cc1[N+](=O)[O-] is not a human ether-à-go-go related gene (hERG) blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.