Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -7.989\% 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: CCCCc1oc2c(c(=O)c1C)C(=O)CC(c1ccccc1)C2
b: CCN(CC)S(=O)(=O)c1cc(NS(=O)(=O)c2cccc(C(=O)O)c2)ccc1C
Answer: a. CCCCc1oc2c(c(=O)c1C)C(=O)CC(c1ccccc1)C2
{#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#}
CCCCc1oc2c(c(=O)c1C)C(=O)CC(c1ccccc1)C2
CCCCc1oc2c(c(=O)c1C)C(=O)CC(c1ccccc1)C2
2-butyl-3-methyl-7-phenyl-7,8-dihydro-6H-chromene-4,5-dione