Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 0.997\% 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 additional words.
Options:
a) COCCn1c(=S)[nH]c2cc(C(=O)N3CCN(c4cccc(Cl)c4)CC3)ccc2c1=O
b) CCOc1cccc(NC(=O)c2cnccc2C(F)(F)F)c1
Answer: b. CCOc1cccc(NC(=O)c2cnccc2C(F)(F)F)c1
{#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#}
CCOc1cccc(NC(=O)c2cnccc2C(F)(F)F)c1
CCOc1cccc(NC(=O)c2cnccc2C(F)(F)F)c1
N-(3-ethoxyphenyl)-4-(trifluoromethyl)pyridine-3-carboxamide