Task: Answer the multiple-choice question.
Question: Which drug exhibits a 21.593\% 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 additional words.
Options:
a: Cc1ccc(NC(=O)c2cc(=O)[nH]c3ccccc23)cc1
b: CC1(C)N=C(N)N=C(N)N1c1ccc(OCCCOc2ccccc2)c(Cl)c1.CCS(=O)(=O)O
c: Cc1ccc2c(CC(=O)O)coc2c1
d: CCCCOC(=O)Nc1ccc(S(=O)(=O)Nc2ncccn2)cc1
Answer: c. Cc1ccc2c(CC(=O)O)coc2c1
{#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#}
Cc1ccc2c(CC(=O)O)coc2c1
Cc1ccc2c(CC(=O)O)coc2c1
2-(6-methyl-1-benzofuran-3-yl)acetic acid