Task: Answer the MCQ question.
Question: Which compound exhibits a 2.158\% 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: COc1ccc(CNC(=O)CCC(=O)n2ncc3cc(C)ccc32)cc1
b: O=C(NC(=S)Nn1cnc2c(cnn2-c2ccccc2)c1=O)c1ccc(Oc2ccccc2)cc1
Answer: a. COc1ccc(CNC(=O)CCC(=O)n2ncc3cc(C)ccc32)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#}
COc1ccc(CNC(=O)CCC(=O)n2ncc3cc(C)ccc32)cc1
COc1ccc(CNC(=O)CCC(=O)n2ncc3cc(C)ccc32)cc1
N-[(4-methoxyphenyl)methyl]-4-(5-methylindazol-1-yl)-4-oxobutanamide