Problem statement: Answer the multiple-choice question.
Question: Which compound has a 0.070\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CCOC(=O)C1CCN(c2ccc(Cl)nn2)CC1
b. Cc1cc(C)c2[nH]c(C(=O)N3CCC(n4nccc4NC(=O)C4CC4)CC3)c(C)c2c1
c. CCCOc1ccc(NCC(=O)Nc2ccc(C)cc2C)cc1
d. CCCCCOC(=O)c1cc(=O)[nH]c2ccccc12
Answer: a. CCOC(=O)C1CCN(c2ccc(Cl)nn2)CC1
{#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)C1CCN(c2ccc(Cl)nn2)CC1
CCOC(=O)C1CCN(c2ccc(Cl)nn2)CC1
ethyl1-(6-chloropyridazin-3-yl)piperidine-4-carboxylate