Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 6.541\% 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) CCOC(=O)C1(Cc2cccc(F)c2)CCN(C(=O)C2CCOCC2)CC1
(b) CCOc1ccc(NC(=S)N2CCN(S(=O)(=O)c3ccc(F)cc3)CC2)cc1
(c) COc1ccc(CNC(=O)CN2C(=O)NC3(CCCc4sccc43)C2=O)cc1OC
(d) CN1CCN(c2ccc([N+](=O)[O-])c(Sc3nc4ccccc4[nH]3)c2)CC1
Answer: d. CN1CCN(c2ccc([N+](=O)[O-])c(Sc3nc4ccccc4[nH]3)c2)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#}
CN1CCN(c2ccc([N+](=O)[O-])c(Sc3nc4ccccc4[nH]3)c2)CC1
CN1CCN(c2ccc([N+](=O)[O-])c(Sc3nc4ccccc4[nH]3)c2)CC1
2-[5-(4-methylpiperazin-1-yl)-2-nitrophenyl]sulfanyl-1H-benzimidazole