Task: Answer the multiple-choice question.
Query: Which compound exhibits a 15.500\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=C(NCCc1ccccn1)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)F
b CSc1nccc(N/N=C/c2ccccc2)n1
c COc1cccc(C(=O)Nc2nc(-c3ccc(S(=O)(=O)N4CCOCC4)cc3)cs2)c1
d COc1ccccc1C(=O)Nn1cnc2ccccc2c1=O
Answer: b. CSc1nccc(N/N=C/c2ccccc2)n1
{#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#}
CSc1nccc(N/N=C/c2ccccc2)n1
CSc1nccc(N/N=C/c2ccccc2)n1
N-[(E)-benzylideneamino]-2-methylsulfanylpyrimidin-4-amine