Task: Answer the multiple-choice question.
Question: Which drug has a 19.874\% 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: COC(=O)c1ccc(COc2ccc(/C=N/N3CCN(C)CC3)cc2)cc1
b: CCc1ccc2[nH]c(=O)c(C(c3nnnn3CC3CCCO3)N3CCCc4ccccc43)cc2c1
Answer: b. CCc1ccc2[nH]c(=O)c(C(c3nnnn3CC3CCCO3)N3CCCc4ccccc43)cc2c1
{#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#}
3-[3,4-dihydro-2H-quinolin-1-yl-[1-(oxolan-2-ylmethyl)tetrazol-5-yl]methyl]-6-ethyl-1H-quinolin-2-one