Task: Answer the multiple choice question.
Question: Which drug exhibits a 14.141\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CCSc1nnc(-c2ccccc2SC)o1
b Cc1cc2oc(=O)cc(CSc3nc(N)cc(N)n3)c2cc1C(C)C
c Brc1cccc2sc(N3CCCC3)nc12
d O=[N+]([O-])c1ccc(N2CCSCC2)cc1O
e Br.Cc1ccc2nc(-c3ccccc3)cn2c1
Answer: d. O=[N+]([O-])c1ccc(N2CCSCC2)cc1O
{#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#}
O=[N+]([O-])c1ccc(N2CCSCC2)cc1O
O=[N+]([O-])c1ccc(N2CCSCC2)cc1O
2-nitro-5-thiomorpholin-4-ylphenol