Task: Answer the multiple choice question.
Question: Which drug exhibits a -5.271\% 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 O=C(NCCc1nc2ccccc2[nH]1)c1cccc(Br)c1
b Cc1ccc(OCC(=O)N/N=C/c2ccco2)cc1
Answer: a. O=C(NCCc1nc2ccccc2[nH]1)c1cccc(Br)c1
{#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=C(NCCc1nc2ccccc2[nH]1)c1cccc(Br)c1
O=C(NCCc1nc2ccccc2[nH]1)c1cccc(Br)c1
N-[2-(1H-benzimidazol-2-yl)ethyl]-3-bromobenzamide