Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 8.949\% 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. COc1ccc(-n2c(Cc3cccn3C)nnc2SCC(N)=O)cc1
b. O=Cc1sc(N2CCOCC2)nc1-c1ccccc1
c. CNC(=O)C1CCN(S(=O)(=O)c2c(C)noc2/C=C/c2ccc(C)cc2)CC1
d. O=S(=O)(NCc1nnc2ccccn12)c1ccc(Cl)cc1
Answer: b. O=Cc1sc(N2CCOCC2)nc1-c1ccccc1
{#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=Cc1sc(N2CCOCC2)nc1-c1ccccc1
O=Cc1sc(N2CCOCC2)nc1-c1ccccc1
2-morpholin-4-yl-4-phenyl-1,3-thiazole-5-carbaldehyde