Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 13.870\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCn1c(=O)n(CC)c2cc(N3CCCC3)c(NC(=O)c3cccc(C)c3)cc21
b CC1CCCC(NC(=O)C2CCN(S(=O)(=O)N3CCCCCC3)CC2)C1C
c CCC/C(=N/NC(=O)c1cccc(Cl)c1)c1ccccc1
d O=C1NC(c2ccc3c(c2)OCO3)Oc2ccccc21
Answer: a. CCn1c(=O)n(CC)c2cc(N3CCCC3)c(NC(=O)c3cccc(C)c3)cc21
{#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#}
CCn1c(=O)n(CC)c2cc(N3CCCC3)c(NC(=O)c3cccc(C)c3)cc21
CCn1c(=O)n(CC)c2cc(N3CCCC3)c(NC(=O)c3cccc(C)c3)cc21
N-(1,3-diethyl-2-oxo-6-pyrrolidin-1-ylbenzimidazol-5-yl)-3-methylbenzamide