Task: Answer the MCQ question.
Query: Which drug has a 10.543\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COC(=O)CCC(=O)N1CCOCCOCCN(C(=O)CCC(=O)OC)CCOCCOCC1
b: COc1ccccc1CCn1cnc2c3cc(C)ccc3n(C)c2c1=O
Answer: b. COc1ccccc1CCn1cnc2c3cc(C)ccc3n(C)c2c1=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#}
COc1ccccc1CCn1cnc2c3cc(C)ccc3n(C)c2c1=O
COc1ccccc1CCn1cnc2c3cc(C)ccc3n(C)c2c1=O
3-[2-(2-methoxyphenyl)ethyl]-5,8-dimethylpyrimido[5,4-b]indol-4-one