Task: Answer the multiple-choice question.
Query: Which compound exhibits a -64.390% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) COc1ccc(O)c(C2(O)C(=O)c3ccccc3C2=O)c1
(b) Cc1cc(=O)oc2cc(Oc3ccc([N+](=O)[O-])cc3[N+](=O)[O-])ccc12
(c) CC(NC(=O)CN(c1ccccc1F)S(C)(=O)=O)c1ccccc1
(d) CCn1c2ccccc2c2cc(NC(C)=O)ccc21
Answer: b. Cc1cc(=O)oc2cc(Oc3ccc([N+](=O)[O-])cc3[N+](=O)[O-])ccc12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1cc(=O)oc2cc(Oc3ccc([N+](=O)[O-])cc3[N+](=O)[O-])ccc12
Cc1cc(=O)oc2cc(Oc3ccc([N+](=O)[O-])cc3[N+](=O)[O-])ccc12
7-(2,4-dinitrophenoxy)-4-methylchromen-2-one