Task: Answer the MCQ question.
Question: Which drug exhibits a 1.336\% 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)c1ccc(SCC(=O)NC2CCCC2)c([N+](=O)[O-])c1
b) Cc1ccc(CC2CC(=O)N(c3ccc(Cl)cn3)C2=O)cc1
Answer: a. COC(=O)c1ccc(SCC(=O)NC2CCCC2)c([N+](=O)[O-])c1
{#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)c1ccc(SCC(=O)NC2CCCC2)c([N+](=O)[O-])c1
COC(=O)c1ccc(SCC(=O)NC2CCCC2)c([N+](=O)[O-])c1
methyl 4-[2-(cyclopentylamino)-2-oxoethyl]sulfanyl-3-nitrobenzoate