Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -1.750\% 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.) O=C(CCn1ccc2ccccc21)NC1CCCc2ccccc21
b.) Cc1cc(Br)ccc1SCC(=O)OCC(=O)N1CCN(C(=O)c2ccco2)CC1
Answer: a. O=C(CCn1ccc2ccccc21)NC1CCCc2ccccc21
{#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#}
O=C(CCn1ccc2ccccc21)NC1CCCc2ccccc21
O=C(CCn1ccc2ccccc21)NC1CCCc2ccccc21
3-indol-1-yl-N-(1,2,3,4-tetrahydronaphthalen-1-yl)propanamide