Task: Answer the multiple choice question.
Question: Which drug has a 12.389\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CN(CC(=O)O)c1ccc(S(=O)(=O)N2CCOCC2)cc1[N+](=O)[O-]
b. CCSc1nc2ccccc2n1Cc1cccc([N+](=O)[O-])c1
c. COc1ccc(C2C3=C(CCCC3=O)NC3=C2C(=O)c2ccccc23)cc1
d. N#Cc1ccc(/C=N/N=C(N)N)cc1
Answer: a. CN(CC(=O)O)c1ccc(S(=O)(=O)N2CCOCC2)cc1[N+](=O)[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#}
CN(CC(=O)O)c1ccc(S(=O)(=O)N2CCOCC2)cc1[N+](=O)[O-]
CN(CC(=O)O)c1ccc(S(=O)(=O)N2CCOCC2)cc1[N+](=O)[O-]
2-(N-methyl-4-morpholin-4-ylsulfonyl-2-nitroanilino)acetic acid