Task: Answer the MCQ question.
Query: Which drug exhibits a 20.988\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) CCOC(=O)c1cc(-c2ccc(F)cc2)n(CC(=O)Nc2nccs2)c1C
b.) CCOc1ccccc1CNn1nnnc1N
c.) Cc1ccccc1NC(=O)C(=O)NCCCN1CCOCC1
d.) Cc1cc(C)cc(NC(=O)CN2CCN(c3ncccn3)CC2)c1
Answer: b. CCOc1ccccc1CNn1nnnc1N
{#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#}
CCOc1ccccc1CNn1nnnc1N
CCOc1ccccc1CNn1nnnc1N
1-N-[(2-ethoxyphenyl)methyl]tetrazole-1,5-diamine