Task: Answer the multiple choice question.
Question: Which compound exhibits a 2.280\% 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. COc1cc(C(C)=O)ccc1OCC(=O)N1CCc2ccccc2C1
b. O=C(Cc1ccccc1F)Nc1nc(-c2cccs2)cs1
Answer: b. O=C(Cc1ccccc1F)Nc1nc(-c2cccs2)cs1
{#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(Cc1ccccc1F)Nc1nc(-c2cccs2)cs1
O=C(Cc1ccccc1F)Nc1nc(-c2cccs2)cs1
2-(2-fluorophenyl)-N-(4-thiophen-2-yl-1,3-thiazol-2-yl)acetamide