Task: Answer the MCQ question.
Query: Which drug has a 1.787\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CSc1nc(-c2ccccc2)nn1S(=O)(=O)c1ccccc1
b) CN(C)c1cc(-c2cccc([N+](=O)[O-])c2)oc(=O)c1Cl
Answer: b. CN(C)c1cc(-c2cccc([N+](=O)[O-])c2)oc(=O)c1Cl
{#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#}
CN(C)c1cc(-c2cccc([N+](=O)[O-])c2)oc(=O)c1Cl
CN(C)c1cc(-c2cccc([N+](=O)[O-])c2)oc(=O)c1Cl
3-chloro-4-(dimethylamino)-6-(3-nitrophenyl)pyran-2-one