Task: Answer the multiple-choice question.
Question: Which compound has a 2.138\% 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. COc1ccc(CCNC(=O)CCS(=O)(=O)Cc2ccccc2C)cc1OC
b. Oc1ccccc1-c1cc(C(F)(F)C(F)F)nc(-c2ccccc2)n1
c. CN(C(=O)C1CCN(c2ncnc3c2nc2n3CCCCC2)CC1)C1CCCCC1
d. N#Cc1ccc(COC(=O)CCc2c[nH]c3ccccc23)cc1
Answer: c. CN(C(=O)C1CCN(c2ncnc3c2nc2n3CCCCC2)CC1)C1CCCCC1
{#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#}
CN(C(=O)C1CCN(c2ncnc3c2nc2n3CCCCC2)CC1)C1CCCCC1
CN(C(=O)C1CCN(c2ncnc3c2nc2n3CCCCC2)CC1)C1CCCCC1
N-cyclohexyl-N-methyl-1-(7,8,9,10-tetrahydro-6H-purino[9,8-a]azepin-4-yl)piperidine-4-carboxamide