Problem statement: Answer the multiple choice question.
Question: Which drug has a 8.497\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(O)c1ccnc(SCC(=O)c2ccccc2)c1
(b) Cc1ccc(NC(=O)c2ccc(NS(=O)(=O)c3c(C)noc3C)cc2)cc1C
Answer: a. O=C(O)c1ccnc(SCC(=O)c2ccccc2)c1
{#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(O)c1ccnc(SCC(=O)c2ccccc2)c1
O=C(O)c1ccnc(SCC(=O)c2ccccc2)c1
2-phenacylsulfanylpyridine-4-carboxylic acid