Task: Answer the MCQ question.
Question: Which compound exhibits a 0.262\% human ether-à-go-go related gene (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: CCc1ccc(NC(=O)CSc2nc(=O)n(CCCN(C)C)c3c2CCC3)cc1
b: CC(=O)Oc1c(S(=O)(=O)c2ccc(C)cc2)c(C)nn1-c1ccccc1
Answer: a. CCc1ccc(NC(=O)CSc2nc(=O)n(CCCN(C)C)c3c2CCC3)cc1
{#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#}
CCc1ccc(NC(=O)CSc2nc(=O)n(CCCN(C)C)c3c2CCC3)cc1
CCc1ccc(NC(=O)CSc2nc(=O)n(CCCN(C)C)c3c2CCC3)cc1
2-[[1-[3-(dimethylamino)propyl]-2-oxo-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl]sulfanyl]-N-(4-ethylphenyl)acetamide