Problem statement: Answer the multiple choice question.
Query: Which drug has a 6.541\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) COc1ccc(CCNC(=O)CSc2nc(-c3ccco3)cc(C(F)(F)F)n2)cc1OC
b.) O=C(CN1C(=O)C2CC=CCC2C1=O)Nc1nc2ccc(F)cc2s1
Answer: b. O=C(CN1C(=O)C2CC=CCC2C1=O)Nc1nc2ccc(F)cc2s1
{#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#}
2-(1,3-dioxo-3a,4,7,7a-tetrahydroisoindol-2-yl)-N-(6-fluoro-1,3-benzothiazol-2-yl)acetamide