The SMILES Cc1nn2c(COc3ccc(NC(=O)c4ccccc4Cl)cc3)nnc2c2ccccc12 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}.