Problem statement: Answer the MCQ question.
Query: Which compound has a 7.489\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCCN(CCC)C(=O)/C=C/c1cccc([N+](=O)[O-])c1
b) O=c1cccc(-c2ccc(Br)cc2)o1
Answer: b. O=c1cccc(-c2ccc(Br)cc2)o1
{#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=c1cccc(-c2ccc(Br)cc2)o1
O=c1cccc(-c2ccc(Br)cc2)o1
6-(4-bromophenyl)pyran-2-one