Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 6.833\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) COc1ccc2sc(N3C(=O)C4CC=C(C)CC4C3=O)nc2c1
(b) O=C(O)CC/C(=C\c1cc([N+](=O)[O-])ccc1Cl)c1nc2ccccc2s1
(c) CCN1C(=O)C2(C(C#N)=C(N)Oc3n[nH]c(C(C)C)c32)c2ccccc21
Answer: b. O=C(O)CC/C(=C\c1cc([N+](=O)[O-])ccc1Cl)c1nc2ccccc2s1
{#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#}
O=C(O)CC/C(=C\c1cc([N+](=O)[O-])ccc1Cl)c1nc2ccccc2s1
O=C(O)CC/C(=C\c1cc([N+](=O)[O-])ccc1Cl)c1nc2ccccc2s1
(E)-4-(1,3-benzothiazol-2-yl)-5-(2-chloro-5-nitrophenyl)pent-4-enoic acid