Task: Answer the MCQ question.
Query: Which drug has a 2.671\% 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 COC(=O)c1sc(=S)n(-c2cccc(Cl)c2)c1N
b COc1ccc(CNC(=O)CN2CCN(C(c3ccccc3)c3ccccc3)CC2)cc1
Answer: a. COC(=O)c1sc(=S)n(-c2cccc(Cl)c2)c1N
{#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#}
COC(=O)c1sc(=S)n(-c2cccc(Cl)c2)c1N
COC(=O)c1sc(=S)n(-c2cccc(Cl)c2)c1N
methyl4-amino-3-(3-chlorophenyl)-2-sulfanylidene-1,3-thiazole-5-carboxylate