Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 1.967\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: Cc1cccc(C(=O)OC(C)C(=O)NC2CCCc3ccccc32)c1O
b: O=C(c1ccco1)N1CCN(c2ncccn2)CC1
c: NS(=O)(=O)c1ccc(CCNC(=O)C2CCCCN2S(=O)(=O)c2ccccc2)cc1
Answer: b. O=C(c1ccco1)N1CCN(c2ncccn2)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#}
O=C(c1ccco1)N1CCN(c2ncccn2)CC1
O=C(c1ccco1)N1CCN(c2ncccn2)CC1
furan-2-yl-(4-pyrimidin-2-ylpiperazin-1-yl)methanone