Task: Answer the MCQ question.
Question: Which drug exhibits a 4.516\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COC(=O)C1=C(C)NC(=S)NC1c1ccc(OCC(=O)N2CCCCC2)c(OC)c1
b: O=C(O)CC/C(=C\c1ccc(Cl)c([N+](=O)[O-])c1)c1nc2ccccc2s1
Answer: b. O=C(O)CC/C(=C\c1ccc(Cl)c([N+](=O)[O-])c1)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\c1ccc(Cl)c([N+](=O)[O-])c1)c1nc2ccccc2s1
O=C(O)CC/C(=C\c1ccc(Cl)c([N+](=O)[O-])c1)c1nc2ccccc2s1
(E)-4-(1,3-benzothiazol-2-yl)-5-(4-chloro-3-nitrophenyl)pent-4-enoic acid