Task: Answer the MCQ question.
Query: Which drug exhibits a 4.489\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] O=Cc1ccc(OCCOc2ccc([N+](=O)[O-])cc2)cc1
[b] Cc1ccc(OCCN2CCOCC2)cc1C
[c] Cc1ccccc1N(CC(=O)O)S(C)(=O)=O
[d] CCCC(=O)OCCNc1cc(SCc2ccco2)c2nonc2c1[N+](=O)[O-]
Answer: d. CCCC(=O)OCCNc1cc(SCc2ccco2)c2nonc2c1[N+](=O)[O-]
{#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#}
CCCC(=O)OCCNc1cc(SCc2ccco2)c2nonc2c1[N+](=O)[O-]
CCCC(=O)OCCNc1cc(SCc2ccco2)c2nonc2c1[N+](=O)[O-]
2-[[7-(furan-2-ylmethylsulfanyl)-4-nitro-2,1,3-benzoxadiazol-5-yl]amino]ethyl butanoate