Problem statement: Answer the multiple-choice question.
Query: Which drug has a 13.421\% 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 O=S(=O)(c1ccccc1)N1CCN2CCCC2C1
b Cc1ccc(N(C(=O)c2snc(C(N)=O)c2N)C(C(=O)NC2CCCC2)c2ccc(C)o2)cc1
Answer: a. O=S(=O)(c1ccccc1)N1CCN2CCCC2C1
{#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=S(=O)(c1ccccc1)N1CCN2CCCC2C1
O=S(=O)(c1ccccc1)N1CCN2CCCC2C1
2-(benzenesulfonyl)-3,4,6,7,8,8a-hexahydro-1H-pyrrolo[1,2-a]pyrazine