Task: Answer the multiple choice question.
Question: Which compound exhibits a 3.144\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Cc1nn(C)c(C)c1C(C)NC(=O)c1cc(COc2ccc(F)c(F)c2)on1
b: COc1ccc2c(c1OC)C(=O)N1c3ccccc3SC21
c: CC(C)(CN1CCOCC1)NS(=O)(=O)c1ccccc1
d: OCC[C@H]1C[C@@H](O)[C@H](O)[C@@]2(CCc3ccccc3CO2)O1
Answer: b. COc1ccc2c(c1OC)C(=O)N1c3ccccc3SC21
{#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#}
COc1ccc2c(c1OC)C(=O)N1c3ccccc3SC21
COc1ccc2c(c1OC)C(=O)N1c3ccccc3SC21
1,2-dimethoxy-4bH-isoindolo[1,2-b][1,3]benzothiazol-11-one