Task: Answer the multiple choice question.
Query: Which compound has a 8.179\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CC(=O)COc1ccc2c(-c3ccccc3)cc(=O)oc2c1C
b: COc1ccc(-c2c(C)c3ccc(O)cc3oc2=O)cc1OC
c: COc1ccc(OCC(=O)N2CCN(C(=O)c3ccccc3)CC2)cc1
d: COc1cn(-c2ccccc2)nc1C(=O)NCc1ccc(C)cc1
Answer: a. CC(=O)COc1ccc2c(-c3ccccc3)cc(=O)oc2c1C
{#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#}
CC(=O)COc1ccc2c(-c3ccccc3)cc(=O)oc2c1C
CC(=O)COc1ccc2c(-c3ccccc3)cc(=O)oc2c1C
8-methyl-7-(2-oxopropoxy)-4-phenylchromen-2-one