Task: Answer the multiple-choice question.
Query: Which compound exhibits a 9.043\% 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] O=C(NCc1ccccn1)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
[b] O=C(COC(=O)Cc1ccccc1F)Nc1ccccc1[N+](=O)[O-]
[c] CN(Cc1c(O)ccc2c1oc(=O)c1ccccc12)C1CCCCC1
[d] CC(=O)OCC(=O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C
Answer: a. O=C(NCc1ccccn1)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
{#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#}
O=C(NCc1ccccn1)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
O=C(NCc1ccccn1)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
3-nitro-N-(pyridin-2-ylmethyl)-4-pyrrolidin-1-ylbenzamide