Problem statement: Answer the multiple choice question.
Question: Which drug has a -4.640% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COC(=O)c1cc2ccsc2n1Cc1ccccc1F
b. COC(=O)c1cnn(-c2cc(Oc3cccc(C)c3)ncn2)c1N
Answer: a. COC(=O)c1cc2ccsc2n1Cc1ccccc1F
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COC(=O)c1cc2ccsc2n1Cc1ccccc1F
COC(=O)c1cc2ccsc2n1Cc1ccccc1F
methyl 6-[(2-fluorophenyl)methyl]thieno[2,3-b]pyrrole-5-carboxylate