Task: Answer the MCQ question.
Question: Which drug exhibits a 5.277\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C1NC(=S)N/C1=C\c1cccc([N+](=O)[O-])c1
[b] Nc1nc(COc2ccc(Cl)cc2)cs1
[c] Cc1ccc(-n2c(Cc3cccc4ccccc34)n[nH]c2=S)c(C)c1
Answer: b. Nc1nc(COc2ccc(Cl)cc2)cs1
{#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#}
Nc1nc(COc2ccc(Cl)cc2)cs1
Nc1nc(COc2ccc(Cl)cc2)cs1
4-[(4-chlorophenoxy)methyl]-1,3-thiazol-2-amine