Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 3.197\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) O=C(COc1ccccc1)c1cn(Cc2ccccc2)c2ccccc12
b) OCC1CCCCN1C(=S)NCc1ccco1
c) Cc1ccc(-c2csc(NC(=O)CSc3nc(C)cc(=O)[nH]3)n2)cc1
d) COc1ccc(CN2CCOCC2)cc1
e) Nc1nnc(Sc2ccc(Cl)cc2[N+](=O)[O-])s1
Answer: d. COc1ccc(CN2CCOCC2)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#}
COc1ccc(CN2CCOCC2)cc1
COc1ccc(CN2CCOCC2)cc1
4-[(4-methoxyphenyl)methyl]morpholine