Task: Answer the multiple choice question.
Query: Which drug has a 19.881% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: N#CCCN(C(=O)COC(=O)CNC(=O)c1ccc(-c2ccccc2)cc1)c1ccc(F)cc1
b: O=C(O)c1cccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])cc2[N+](=O)[O-])c1
c: CC(=O)Nc1ccc(N2C(=O)c3ccc(C(=O)Nc4nnc(SCc5ccc(F)cc5)s4)cc3C2=O)cc1
d: CCCCC(=O)Nc1ccc2c(c1)OCCO2
Answer: b. O=C(O)c1cccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])cc2[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_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(O)c1cccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])cc2[N+](=O)[O-])c1
O=C(O)c1cccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])cc2[N+](=O)[O-])c1
3-(2,4,6-trinitroanilino)benzoic acid