Problem statement: Answer the MCQ question.
Question: Which drug has a 3.457\% 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(CSc1nc(-c2ccccc2Cl)ns1)NCc1ccco1
b. CC(Oc1ccccc1)C(=O)Nc1ccc(S(=O)(=O)N2CCN(C)CC2)cc1
Answer: a. O=C(CSc1nc(-c2ccccc2Cl)ns1)NCc1ccco1
{#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(CSc1nc(-c2ccccc2Cl)ns1)NCc1ccco1
O=C(CSc1nc(-c2ccccc2Cl)ns1)NCc1ccco1
2-[[3-(2-chlorophenyl)-1,2,4-thiadiazol-5-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide