Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 1.640\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CN(CC(=O)Nc1c(Cl)cccc1Cl)C(=O)Cn1[nH]c(=O)c2ccccc2c1=O
[b] CCOC(=O)c1c(C)[nH]c(C(=O)COC(=O)Cn2cc(C(F)(F)F)ccc2=O)c1C
Answer: a. CN(CC(=O)Nc1c(Cl)cccc1Cl)C(=O)Cn1[nH]c(=O)c2ccccc2c1=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#}
CN(CC(=O)Nc1c(Cl)cccc1Cl)C(=O)Cn1[nH]c(=O)c2ccccc2c1=O
CN(CC(=O)Nc1c(Cl)cccc1Cl)C(=O)Cn1[nH]c(=O)c2ccccc2c1=O
N-[2-(2,6-dichloroanilino)-2-oxoethyl]-2-(1,4-dioxo-3H-phthalazin-2-yl)-N-methylacetamide