Task: Answer the multiple choice question.
Question: Which drug exhibits a 4.854\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1cccc(NC(=O)CN(C)CC(=O)Nc2ccc(C)c([N+](=O)[O-])c2)c1
b. CC(C)(CO)C(O)C(=O)NCCC#N
Answer: b. CC(C)(CO)C(O)C(=O)NCCC#N
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC(C)(CO)C(O)C(=O)NCCC#N
CC(C)(CO)C(O)C(=O)NCCC#N
N-(2-cyanoethyl)-2,4-dihydroxy-3,3-dimethylbutanamide