Task: Answer the MCQ question.
Query: Which compound has a 17.932\% 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: Cc1cc2c(c(=O)n1Cc1ccccn1)C(c1ccc3c(c1)OCO3)C(C#N)=C(N)O2
b: CCC1(CC)C(=N)N(C)C(=O)NC1=O
Answer: b. CCC1(CC)C(=N)N(C)C(=O)NC1=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#}
CCC1(CC)C(=N)N(C)C(=O)NC1=O
CCC1(CC)C(=N)N(C)C(=O)NC1=O
5,5-diethyl-6-imino-1-methyl-1,3-diazinane-2,4-dione