Task: Answer the multiple-choice question.
Question: Which drug exhibits a 9.687\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1ccccc1Oc1coc2c(CN3CCN(C)CC3)c(O)ccc2c1=O
b. CC1CCCN(CC(=O)N2c3ccccc3Sc3ccccc32)C1
Answer: a. COc1ccccc1Oc1coc2c(CN3CCN(C)CC3)c(O)ccc2c1=O
{#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#}
COc1ccccc1Oc1coc2c(CN3CCN(C)CC3)c(O)ccc2c1=O
COc1ccccc1Oc1coc2c(CN3CCN(C)CC3)c(O)ccc2c1=O
7-hydroxy-3-(2-methoxyphenoxy)-8-[(4-methylpiperazin-1-yl)methyl]chromen-4-one