Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -7.841\% 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 other words.
Options:
a: Cc1ccc(Cn2c(C(C)Nc3nc(C)cs3)nc3cc(Cl)c(Cl)cc32)cc1
b: COc1ccc(Cl)cc1NC(=O)Cc1c(F)cccc1Cl
c: N#Cc1cccnc1Nc1ccc(Cl)cc1
d: CCN(CC)C(=O)c1ccc(CS(=O)(=O)c2ccc(Br)cc2)cc1
Answer: c. N#Cc1cccnc1Nc1ccc(Cl)cc1
{#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#}
N#Cc1cccnc1Nc1ccc(Cl)cc1
N#Cc1cccnc1Nc1ccc(Cl)cc1
2-(4-chloroanilino)pyridine-3-carbonitrile