Task: Answer the MCQ question.
Query: Which drug exhibits a 17.898\% 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.) CC(C)c1ccc(C2N3CCCN23)cc1
b.) Cc1cccc(OCC(O)CNC(=O)c2ccccc2C(=O)O)c1
c.) CCN1CCN(C(=O)CCc2nc3ccccc3c(=O)[nH]2)CC1
d.) CN(CC(=O)Nc1ccccc1Cl)C(=O)COC(=O)c1ccc([N+](=O)[O-])cc1Cl
Answer: c. CCN1CCN(C(=O)CCc2nc3ccccc3c(=O)[nH]2)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#}
CCN1CCN(C(=O)CCc2nc3ccccc3c(=O)[nH]2)CC1
CCN1CCN(C(=O)CCc2nc3ccccc3c(=O)[nH]2)CC1
2-[3-(4-ethylpiperazin-1-yl)-3-oxopropyl]-3H-quinazolin-4-one