Task: Answer the multiple-choice question.
Question: Which drug exhibits a 14.905\% 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] CCN(CC)C(=O)CN1CCN(Cc2ccc3c(c2)OCO3)CC1.O=C(O)C(=O)O
[b] COc1ccccc1CNC(=O)COC(=O)C1=COCCO1
Answer: b. COc1ccccc1CNC(=O)COC(=O)C1=COCCO1
{#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#}
COc1ccccc1CNC(=O)COC(=O)C1=COCCO1
COc1ccccc1CNC(=O)COC(=O)C1=COCCO1
[2-[(2-methoxyphenyl)methylamino]-2-oxoethyl] 2,3-dihydro-1,4-dioxine-5-carboxylate