Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 10.686\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=c1oc2c(-c3ccc([N+](=O)[O-])cc3)cc(O)cc2s1
b. Cc1cccc(NC(=O)c2cn(-c3ccccc3)nc2-c2ccccc2)c1
Answer: a. O=c1oc2c(-c3ccc([N+](=O)[O-])cc3)cc(O)cc2s1
{#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#}
O=c1oc2c(-c3ccc([N+](=O)[O-])cc3)cc(O)cc2s1
O=c1oc2c(-c3ccc([N+](=O)[O-])cc3)cc(O)cc2s1
5-hydroxy-7-(4-nitrophenyl)-1,3-benzoxathiol-2-one