Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 18.602\% 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: CCn1c(CNC(=O)c2ccccc2Cl)cc2ccccc21
b: Cc1ccc(-c2nn(-c3ccccc3)cc2/C=N/NC(=O)c2ccc3c(c2)OCO3)cc1
Answer: a. CCn1c(CNC(=O)c2ccccc2Cl)cc2ccccc21
{#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#}
CCn1c(CNC(=O)c2ccccc2Cl)cc2ccccc21
CCn1c(CNC(=O)c2ccccc2Cl)cc2ccccc21
2-chloro-N-[(1-ethylindol-2-yl)methyl]benzamide