Task: Answer the MCQ question.
Query: Which drug exhibits a 18.835\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) O=C(Nc1cccc(S(=O)(=O)N2CCOCC2)c1)C1CCCN(C(=O)c2ccc(Cl)cc2)C1
b) Cc1noc(C)c1CN1C(=O)c2cccc([N+](=O)[O-])c2C1=O
c) Cc1ccc(NC(=S)Nc2cccc3ccccc23)cc1F
d) Cc1ccc(S(=O)(=O)N2CCCCC2)cc1NC(=O)CCc1nc2ccccc2c(=O)[nH]1
Answer: b. Cc1noc(C)c1CN1C(=O)c2cccc([N+](=O)[O-])c2C1=O
{#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#}
Cc1noc(C)c1CN1C(=O)c2cccc([N+](=O)[O-])c2C1=O
Cc1noc(C)c1CN1C(=O)c2cccc([N+](=O)[O-])c2C1=O
2-[(3,5-dimethyl-1,2-oxazol-4-yl)methyl]-4-nitroisoindole-1,3-dione