Task: Answer the multiple choice question.
Question: Which drug exhibits a 0.436\% 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 COc1ccc(F)cc1C(=O)C1CCCN(Cc2ccc(O)cc2)C1
b COc1ccc2c3c(cccc13)OCC2=O
Answer: b. COc1ccc2c3c(cccc13)OCC2=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#}
COc1ccc2c3c(cccc13)OCC2=O
COc1ccc2c3c(cccc13)OCC2=O
8-methoxy-2-oxatricyclo[7.3.1.05,13]trideca-1(12),5(13),6,8,10-pentaen-4-one