Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 0.078\% 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: CCn1c(NCc2ccc(OC)cc2)nc2ccccc21
b: O=C(N/N=C/c1cccc2ccccc12)c1ccccc1Cl
Answer: a. CCn1c(NCc2ccc(OC)cc2)nc2ccccc21
{#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#}
CCn1c(NCc2ccc(OC)cc2)nc2ccccc21
CCn1c(NCc2ccc(OC)cc2)nc2ccccc21
1-ethyl-N-[(4-methoxyphenyl)methyl]benzimidazol-2-amine