Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 12.930\% human ether-à-go-go related gene (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/C(=N\NC(=O)c1cnccn1)c1ccc([N+](=O)[O-])cc1
b. CCN1CCN(C(c2cccs2)C(C)NC(=O)C(C)C)CC1
c. COC(=O)C(NC(C)=O)(Nc1ccc(Br)cc1)C(=O)OC
d. CNc1nc(Cl)nc(Sc2nc(C)cc(C)n2)n1
Answer: b. CCN1CCN(C(c2cccs2)C(C)NC(=O)C(C)C)CC1
{#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#}
N-[1-(4-ethylpiperazin-1-yl)-1-thiophen-2-ylpropan-2-yl]-2-methylpropanamide