Problem statement: Answer the multiple choice question.
Query: Which compound has a 18.611\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a.) O=C(CN1CCN(S(=O)(=O)c2ccccc2)CC1)NCc1ccccc1
b.) COC(=O)CSc1[nH]c(=O)cc(C)c1C#N
c.) Cn1cccc1C(NC(=O)c1ccccc1)C(Cl)(Cl)Cl
d.) O=C(c1ccc(OC2CCN(C/C=C/c3ccccc3)CC2)cc1)N1CCCC1
e.) Cc1ccc2cc(-c3noc(C(C)(C)C)n3)c(=O)[nH]c2c1
Answer: b. COC(=O)CSc1[nH]c(=O)cc(C)c1C#N
{#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#}
COC(=O)CSc1[nH]c(=O)cc(C)c1C#N
COC(=O)CSc1[nH]c(=O)cc(C)c1C#N
methyl 2-[(3-cyano-4-methyl-6-oxo-1H-pyridin-2-yl)sulfanyl]acetate