Problem statement: Answer the multiple-choice question.
Question: Which compound has a -40.495\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOCc1c(C(=O)NC2=Nc3ccccc3NC(CC)=C2C(=O)OCC)oc2ccccc12
(b) CNC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
Answer: b. CNC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2)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#}
CNC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
CNC(=S)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
N-methyl-4-(4-nitrophenyl)piperazine-1-carbothioamide