Task: Answer the multiple choice question.
Question: Which compound has a 14.280\% 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 additional words.
Options:
(a) Nc1ncnc2c1ncn2[C@H]1CC[C@@H](CO)O1
(b) CCCn1cnc2scc(-c3ccc(C)cc3)c2c1=O
(c) CSc1nnc(-c2sc3cc(C(F)(F)F)cnc3c2-c2ccccc2)n1C
(d) O=C(NCCOc1ccccc1)c1cncc(Br)c1
Answer: a. Nc1ncnc2c1ncn2[C@H]1CC[C@@H](CO)O1
{#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#}
Nc1ncnc2c1ncn2[C@H]1CC[C@@H](CO)O1
Nc1ncnc2c1ncn2[C@H]1CC[C@@H](CO)O1
[(2S,5R)-5-(6-aminopurin-9-yl)oxolan-2-yl]methanol