Task: Answer the multiple-choice question.
Question: Which compound exhibits a 12.129\% human ether-à-go-go related gene (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.) O=C(c1ccc(CN2CCc3ccccc3C2)cc1)N1CCN(c2ccccc2)CC1
b.) Cn1ccnc1-c1nnn(-c2ccc(F)cc2)n1
Answer: b. Cn1ccnc1-c1nnn(-c2ccc(F)cc2)n1
{#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#}
Cn1ccnc1-c1nnn(-c2ccc(F)cc2)n1
Cn1ccnc1-c1nnn(-c2ccc(F)cc2)n1
2-(4-fluorophenyl)-5-(1-methylimidazol-2-yl)tetrazole