Task: Answer the MCQ question.
Question: Which drug exhibits a 14.285\% 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) COc1cccc(/C=C2\Oc3cc(OCC(=O)N4CCCC4)ccc3C2=O)c1OC
b) COC(=O)c1cccc(Cn2cc([N+](=O)[O-])cn2)c1
c) O=C(c1csc(Cc2ccc(Cl)cc2)n1)N1CCOCC1
d) S=c1[nH]ncn1/N=C/c1ccc(Br)cc1
Answer: a. COc1cccc(/C=C2\Oc3cc(OCC(=O)N4CCCC4)ccc3C2=O)c1OC
{#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#}
COc1cccc(/C=C2\Oc3cc(OCC(=O)N4CCCC4)ccc3C2=O)c1OC
COc1cccc(/C=C2\Oc3cc(OCC(=O)N4CCCC4)ccc3C2=O)c1OC
(2Z)-2-[(2,3-dimethoxyphenyl)methylidene]-6-(2-oxo-2-pyrrolidin-1-ylethoxy)-1-benzofuran-3-one