Problem statement: Answer the multiple-choice question.
Query: Which drug has a 15.537\% 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) CN(C)CCCNc1nc(N)c([N+](=O)[O-])c(NCCO)n1
b) CCOC(=O)N[C@H](Cc1c[nH]c2ccccc12)C(=O)NC1CC1
Answer: b. CCOC(=O)N[C@H](Cc1c[nH]c2ccccc12)C(=O)NC1CC1
{#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#}
CCOC(=O)N[C@H](Cc1c[nH]c2ccccc12)C(=O)NC1CC1
CCOC(=O)N[C@H](Cc1c[nH]c2ccccc12)C(=O)NC1CC1
ethyl N-[(2R)-1-(cyclopropylamino)-3-(1H-indol-3-yl)-1-oxopropan-2-yl]carbamate