Problem statement: Answer the MCQ question.
Question: Which drug has a 4.664\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCSc1nc(=S)cc(C)[nH]1
b) O=C(/C=C/c1ccc(OC(F)F)cc1)Nc1cccc(S(=O)(=O)NC2=NCCCCC2)c1
Answer: a. CCSc1nc(=S)cc(C)[nH]1
{#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#}
CCSc1nc(=S)cc(C)[nH]1
CCSc1nc(=S)cc(C)[nH]1
2-ethylsulfanyl-6-methyl-1H-pyrimidine-4-thione