Problem statement: Answer the MCQ question.
Query: Which drug has a 0.813\% 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 additional words.
Options:
a: CCOc1ccc(C2=CC(=O)C[C@H](c3ccc(OC)cc3)C2)cc1
b: O=S(=O)(c1ccc(Br)s1)N1CCNCC1
Answer: b. O=S(=O)(c1ccc(Br)s1)N1CCNCC1
{#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=S(=O)(c1ccc(Br)s1)N1CCNCC1
O=S(=O)(c1ccc(Br)s1)N1CCNCC1
1-(5-bromothiophen-2-yl)sulfonylpiperazine