Task: Answer the MCQ question.
Question: Which compound exhibits a 1.417\% 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: O=C(CN1C(=O)COc2ccc(S(=O)(=O)N3CCCC3)cc21)N1CCCC1
b: COC(=O)C1=C(C)Nc2nnnn2C1c1cccs1
Answer: b. COC(=O)C1=C(C)Nc2nnnn2C1c1cccs1
{#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)C1=C(C)Nc2nnnn2C1c1cccs1
COC(=O)C1=C(C)Nc2nnnn2C1c1cccs1
methyl 5-methyl-7-thiophen-2-yl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate