Task: Answer the MCQ question.
Question: Which compound exhibits a 14.018\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COC(=O)C1SCC2C(=O)N(Cc3ccccc3)CC(=O)N21
b COc1cc(NC(=O)Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc(OC)c1OC
Answer: a. COC(=O)C1SCC2C(=O)N(Cc3ccccc3)CC(=O)N21
{#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)C1SCC2C(=O)N(Cc3ccccc3)CC(=O)N21
COC(=O)C1SCC2C(=O)N(Cc3ccccc3)CC(=O)N21
methyl7-benzyl-5,8-dioxo-1,3,6,8a-tetrahydro-[1,3]thiazolo[3,4-a]pyrazine-3-carboxylate