Task: Answer the multiple choice question.
Query: Which drug exhibits a 1.938\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Cc1ccc(S(=O)(=O)N2CCN(C(=O)C(C)Cn3nc(C)c(C)c3C)CC2)cc1C
b CN1CCN(S(=O)(=O)c2cccc(C(=O)Nc3nc(-c4ccccc4)cs3)c2)CC1
c CCOC(=O)C1CCN(c2c(NCCCN3CCN(Cc4ccccc4)CC3)c(=O)c2=O)CC1
Answer: b. CN1CCN(S(=O)(=O)c2cccc(C(=O)Nc3nc(-c4ccccc4)cs3)c2)CC1
{#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#}
CN1CCN(S(=O)(=O)c2cccc(C(=O)Nc3nc(-c4ccccc4)cs3)c2)CC1
CN1CCN(S(=O)(=O)c2cccc(C(=O)Nc3nc(-c4ccccc4)cs3)c2)CC1
3-(4-methylpiperazin-1-yl)sulfonyl-N-(4-phenyl-1,3-thiazol-2-yl)benzamide