The SMILES CCCNC(=O)C1CCN(S(=O)(=O)c2ccc3nc4c(c(C(=O)O)c3c2)CCCCC4)CC1 is not a human ether-à-go-go related gene (hERG) blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.