Task: Answer the MCQ question.
Query: Which drug has a 5.046\% 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] NC(=S)Nc1cccc2cnccc12
[b] c1ccc(C2=NNC(c3ccccn3)=NN2)nc1
[c] O=C(CCCSc1ccc(Cl)cc1)Nc1ccccc1O
[d] COc1cc(OC)cc(C(=O)NNC(=O)CN2C(=O)NC3(CCCC3)C2=O)c1
Answer: a. NC(=S)Nc1cccc2cnccc12
{#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#}
NC(=S)Nc1cccc2cnccc12
NC(=S)Nc1cccc2cnccc12
1-isoquinolin-5-ylthiourea