Task: Answer the MCQ question.
Question: Which compound has a 17.569\% 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 additional words.
Options:
a. O=C(O)C1(Cc2nc3ccccc3[nH]2)CCCC1
b. CC1(C)C2CCC(C2)C1(C)NC(=O)CN1CCN(Cc2ccccc2)CC1.Cl
c. Cc1ccc(NC(=O)CCS(=O)(=O)c2cc3[nH]c(=O)c(=O)[nH]c3cc2C)cc1
d. CCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
Answer: a. O=C(O)C1(Cc2nc3ccccc3[nH]2)CCCC1
{#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#}
O=C(O)C1(Cc2nc3ccccc3[nH]2)CCCC1
O=C(O)C1(Cc2nc3ccccc3[nH]2)CCCC1
1-(1H-benzimidazol-2-ylmethyl)cyclopentane-1-carboxylic acid