Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -1.025\% 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) COc1ccc(NC(=S)Nc2ncccc2C)c(OC)c1
(b) O=C(OCC#CCSc1nnc(-c2ccccc2)o1)c1cccs1
Answer: b. O=C(OCC#CCSc1nnc(-c2ccccc2)o1)c1cccs1
{#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(OCC#CCSc1nnc(-c2ccccc2)o1)c1cccs1
O=C(OCC#CCSc1nnc(-c2ccccc2)o1)c1cccs1
4-(5-phenyl-1,3,4-oxadiazol-2-yl)sulfanylbut-2-ynylthiophene-2-carboxylate