Problem statement: Answer the MCQ question.
Query: Which compound has a -6.967\% 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: NCCCN1CCOCC1
b: CN1C(=O)C(=Cc2ccccc2Oc2ccc(Cl)cc2)C(=O)N(C)C1=O
c: CCOc1ccccc1NC(=O)NNC(=O)COc1cccc(C)c1C
d: CCOc1cccc(CNCCCSc2ncccn2)c1.Cl
Answer: a. NCCCN1CCOCC1
{#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#}
NCCCN1CCOCC1
NCCCN1CCOCC1
3-morpholin-4-ylpropan-1-amine