Task: Answer the multiple-choice question.
Query: Which drug exhibits a 0.853\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cn1c(Cn2nnc(-c3ccccc3)n2)n[nH]c1=S
[b] O=c1cccc2n1C[C@@H]1CNC[C@H]2C1
Answer: b. O=c1cccc2n1C[C@@H]1CNC[C@H]2C1
{#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=c1cccc2n1C[C@@H]1CNC[C@H]2C1
O=c1cccc2n1C[C@@H]1CNC[C@H]2C1
(1R,9S)-7,11-diazatricyclo[7.3.1.02,7]trideca-2,4-dien-6-one