Task: Answer the MCQ question.
Query: Which drug has a 2.654\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(CCl)Nc1c2c(nn1-c1ccccc1)CSC2
b. COc1ccc(C(=O)Nc2ccc(CN3CCOCC3)cc2)cc1Br
Answer: a. O=C(CCl)Nc1c2c(nn1-c1ccccc1)CSC2
{#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(CCl)Nc1c2c(nn1-c1ccccc1)CSC2
O=C(CCl)Nc1c2c(nn1-c1ccccc1)CSC2
2-chloro-N-(2-phenyl-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)acetamide