Task: Answer the multiple-choice question.
Question: Which drug has a 1.890% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COc1cccc2cc3c(=O)n(-c4ccccc4)nc-3oc12
b. CCOC(=O)c1c(N)nn(C(=O)C(C)C)c1-c1ccc(OC)cc1
c. c1c2c(cc3sc(N4CCOCC4)nc13)OCCO2
Answer: a. COc1cccc2cc3c(=O)n(-c4ccccc4)nc-3oc12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cccc2cc3c(=O)n(-c4ccccc4)nc-3oc12
COc1cccc2cc3c(=O)n(-c4ccccc4)nc-3oc12
8-methoxy-2-phenylchromeno[2,3-c]pyrazol-3-one