Task: Answer the MCQ question.
Query: Which compound has a -1.562\% 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(O)c1ccc2c(c1)C(=O)N(c1cccc(-c3nc4ccccc4s3)c1)C2=O
(b) O=C(CCSc1nnc(-c2ccncc2)o1)Nc1cccc2ccccc12
Answer: b. O=C(CCSc1nnc(-c2ccncc2)o1)Nc1cccc2ccccc12
{#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(CCSc1nnc(-c2ccncc2)o1)Nc1cccc2ccccc12
O=C(CCSc1nnc(-c2ccncc2)o1)Nc1cccc2ccccc12
N-naphthalen-1-yl-3-[(5-pyridin-4-yl-1,3,4-oxadiazol-2-yl)sulfanyl]propanamide