Task: Answer the MCQ question.
Query: Which compound has a -2.978\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(NNC(=S)Nc1ccccc1)c1cccnc1
b. COCCN(C(=O)COC(=O)/C(=C/c1ccccc1)NC(C)=O)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
Answer: a. O=C(NNC(=S)Nc1ccccc1)c1cccnc1
{#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#}
O=C(NNC(=S)Nc1ccccc1)c1cccnc1
O=C(NNC(=S)Nc1ccccc1)c1cccnc1
1-phenyl-3-(pyridine-3-carbonylamino)thiourea