Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 0.194\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CNc1oc(-c2cccs2)nc1C#N
b CCN(CC)CCNC(=O)CCCCn1c(=S)[nH]c2c([nH]c3ccc(OC)cc32)c1=O
c CC1(C)C(=O)OC(c2cccn2-c2cccc([N+](=O)[O-])c2)C2(CCCCC2)C1=O
d C[C@@H]1[C@@H](Sc2ccccc2)CC(=O)O[C@@H]1c1ccc(-c2ccccc2)cc1
e S=C1NCCOCCOCCOCCNC(=S)NCCOCCOCCOCCN1
Answer: a. CNc1oc(-c2cccs2)nc1C#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#}
CNc1oc(-c2cccs2)nc1C#N
CNc1oc(-c2cccs2)nc1C#N
5-(methylamino)-2-thiophen-2-yl-1,3-oxazole-4-carbonitrile