Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 4.928\% 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=S1(=O)CC/C(=N\Nc2ccc(F)cc2)c2ccsc21
b) COc1c(Cl)cc(Cl)cc1C(=O)Nc1ccc(NC(=O)c2cccs2)cc1
Answer: a. O=S1(=O)CC/C(=N\Nc2ccc(F)cc2)c2ccsc21
{#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#}
4-fluoro-N-[(E)-(7,7-dioxo-5,6-dihydrothieno[2,3-b]thiopyran-4-ylidene)amino]aniline