Task: Answer the multiple choice question.
Query: Which drug exhibits a 4.364\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(OC1CN2CCC1CC2)c1cccc([N+](=O)[O-])c1
(b) CC(C)(C)OC(=O)N1CCN(c2ccc(CNC(=O)c3ccc(Cl)cc3)cc2)CC1
(c) Cc1c(OCC(=O)N2CCC(C(N)=O)CC2)ccc2c3c(c(=O)oc12)CCC3
Answer: a. O=C(OC1CN2CCC1CC2)c1cccc([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(OC1CN2CCC1CC2)c1cccc([N+](=O)[O-])c1
O=C(OC1CN2CCC1CC2)c1cccc([N+](=O)[O-])c1
1-azabicyclo[2.2.2]octan-3-yl 3-nitrobenzoate