Task: Answer the multiple choice question.
Question: Which compound has a 21.112\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. OC1COC(O)C(O)C1O
b. COC(=O)CCSCc1cn2cc(Cl)ccc2n1
c. CC(=O)NNc1ccc(C(F)(F)F)cc1[N+](=O)[O-]
Answer: b. COC(=O)CCSCc1cn2cc(Cl)ccc2n1
{#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#}
COC(=O)CCSCc1cn2cc(Cl)ccc2n1
COC(=O)CCSCc1cn2cc(Cl)ccc2n1
[C][O][C][=Branch1][C][=O][C][C][S][C][C][=C][N][C][=C][Branch1][C][Cl][C][=C][C][Ring1][#Branch1][=N][Ring1][#Branch2]
methyl3-[(6-chloroimidazo[1,2-a]pyridin-2-yl)methylsulfanyl]propanoate