Task: Answer the MCQ question.
Question: Which drug has a 4.578\% 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 other words.
Options:
a. CCN(CC)C(=O)CSc1nc(C)cc(C)c1C#N
b. O=C1CCCCCN1CSc1nc2ccccc2s1
c. COCCN(C(=O)c1snc(C(N)=O)c1N)C(C(=O)NC1CCCC1)c1cc(OC)c(OC)c(OC)c1
d. Cc1ccc(NC(=O)C(C)Sc2nnc(C)n2C2CC2)cc1S(=O)(=O)N1CCOCC1
Answer: b. O=C1CCCCCN1CSc1nc2ccccc2s1
{#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=C1CCCCCN1CSc1nc2ccccc2s1
O=C1CCCCCN1CSc1nc2ccccc2s1
1-(1,3-benzothiazol-2-ylsulfanylmethyl)azepan-2-one