Task: Answer the multiple-choice question.
Question: Which drug exhibits a 6.453\% 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(Cc1ncc(C(F)(F)F)cc1Cl)NC1CC1
b COCCn1nnnc1C(c1cccs1)N1CCCC(C)C1.Cl
Answer: a. O=C(Cc1ncc(C(F)(F)F)cc1Cl)NC1CC1
{#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(Cc1ncc(C(F)(F)F)cc1Cl)NC1CC1
O=C(Cc1ncc(C(F)(F)F)cc1Cl)NC1CC1
2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-N-cyclopropylacetamide