Task: Answer the multiple choice question.
Question: Which drug has a 2.071\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=C1OC(c2ccccc2)=N/C1=C/c1cccc(OC(=O)c2cccs2)c1
b COCCCn1c(=O)c2ccccc2n(CC(=O)NCCC2=CCCCC2)c1=O
c CCOC(=O)c1ccccc1NC(=O)N1CCn2c(C)ccc2C1CC
d COc1ccccc1NC(=O)CSC(=NC(C)C)NC#N
Answer: b. COCCCn1c(=O)c2ccccc2n(CC(=O)NCCC2=CCCCC2)c1=O
{#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#}
COCCCn1c(=O)c2ccccc2n(CC(=O)NCCC2=CCCCC2)c1=O
COCCCn1c(=O)c2ccccc2n(CC(=O)NCCC2=CCCCC2)c1=O
N-[2-(cyclohexen-1-yl)ethyl]-2-[3-(3-methoxypropyl)-2,4-dioxoquinazolin-1-yl]acetamide