Task: Answer the multiple-choice question.
Query: Which compound exhibits a 16.262\% 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(Nc1ccc(N2CCN(C(=O)c3ccc(Cl)cc3)CC2)cc1)c1cccs1
[b] NC12CCc3c(no[n+]3[O-])C1(O)CC(c1ccccc1)=[N+]2[O-]
[c] COc1ccccc1Nc1ncnc2c1cnn2-c1cccc(C)c1
[d] CCCCCOc1ccc(C(=O)C(c2ccccc2)N2CCOCC2)cc1.Cl
Answer: b. NC12CCc3c(no[n+]3[O-])C1(O)CC(c1ccccc1)=[N+]2[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#}
NC12CCc3c(no[n+]3[O-])C1(O)CC(c1ccccc1)=[N+]2[O-]
NC12CCc3c(no[n+]3[O-])C1(O)CC(c1ccccc1)=[N+]2[O-]
5a-amino-3,6-dioxido-7-phenyl-5,8-dihydro-4H-pyrrolo[2,3-g][2,1,3]benzoxadiazole-3,6-diium-8a-ol