Problem statement: Answer the multiple-choice question.
Query: Which drug has a 20.947% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COC(=O)C1=C(C)N(C)C(C)=C(C(=O)OC)C1c1ccncc1
b. CCNC(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
Answer: b. CCNC(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCNC(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
CCNC(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
2-(1,3-dimethyl-2,6-dioxopurin-7-yl)-N-ethylacetamide