Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 19.987\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: C=CCn1c(SCC(=O)Nc2cc(C)nn2-c2ccccc2)nnc1C1CCCCC1
b: O=C(CCC(=O)c1ccc(Oc2ccccc2)cc1)Nc1cccc(Cl)c1
c: COCCCNC(=O)CCN1C(=O)COc2ccccc21
d: CSc1cccc(NC(=O)c2cc(S(=O)(=O)N3CCCCC3)c[nH]2)c1
Answer: c. COCCCNC(=O)CCN1C(=O)COc2ccccc21
{#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#}
COCCCNC(=O)CCN1C(=O)COc2ccccc21
COCCCNC(=O)CCN1C(=O)COc2ccccc21
N-(3-methoxypropyl)-3-(3-oxo-1,4-benzoxazin-4-yl)propanamide