Task: Answer the MCQ question.
Query: Which drug exhibits a 5.001\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: Cc1c(Cl)cccc1NC(=O)CCC(=O)NNC(=O)CCC(=O)O
b: CCOc1cccc2sc(N(CCCN(C)C)C(=O)c3ccc(S(=O)(=O)N(CC)Cc4ccccc4)cc3)nc12.Cl
c: O=C(Cc1ccccc1[N+](=O)[O-])N1CCN(S(=O)(=O)c2ccccc2)CC1
Answer: a. Cc1c(Cl)cccc1NC(=O)CCC(=O)NNC(=O)CCC(=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#}
Cc1c(Cl)cccc1NC(=O)CCC(=O)NNC(=O)CCC(=O)O
Cc1c(Cl)cccc1NC(=O)CCC(=O)NNC(=O)CCC(=O)O
4-[2-[4-(3-chloro-2-methylanilino)-4-oxobutanoyl]hydrazinyl]-4-oxobutanoic acid