Based on the SMILES O=C(Cc1ccc(S(=O)(=O)N2CCOCC2)s1)NCC(=O)Nc1ccccc1Br, the molecule is not a hERG blocker.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.