Task: Answer the MCQ question.
Query: Which drug exhibits a 16.106\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCc1ccc(N(CC)c2ncnc3nc[nH]c23)cc1
(b) O=C(Cn1c(=O)c2cccn2c2cccnc21)NCCCN1CCN(c2ccc(F)cc2)CC1
(c) Cc1cc(=O)[nH]c(SCC(=O)N2CCCC(C)C2)n1
Answer: a. CCc1ccc(N(CC)c2ncnc3nc[nH]c23)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#}
CCc1ccc(N(CC)c2ncnc3nc[nH]c23)cc1
CCc1ccc(N(CC)c2ncnc3nc[nH]c23)cc1
N,4-diethyl-N-(7H-purin-6-yl)aniline