Task: Answer the multiple choice question.
Query: Which drug has a 20.497\% 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. CC(CCCC(C)(C)O)CC1C2=C(CCCC2=O)OC2=C1C(=O)CCC2
b. S=C(NCCc1c[nH]c2ccccc12)NC1CC1
c. CC1CCN(Cc2ccc(-c3nn[nH]n3)cc2)CC1
d. O=C(c1ccc(F)cc1)N1CCCC(C(=O)N2CCc3ccccc3C2)C1
Answer: c. CC1CCN(Cc2ccc(-c3nn[nH]n3)cc2)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#}
CC1CCN(Cc2ccc(-c3nn[nH]n3)cc2)CC1
CC1CCN(Cc2ccc(-c3nn[nH]n3)cc2)CC1
4-methyl-1-[[4-(2H-tetrazol-5-yl)phenyl]methyl]piperidine