Task: Answer the MCQ question.
Query: Which drug exhibits a 1.865\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. Fc1ccc(CN2CCSCC2)cc1F
b. CC(C(=O)Nc1ccc(C#N)cc1)N(C)CC(=O)Nc1ccccc1Br
c. CCOC(=O)c1ccc(NP(C)(=O)Oc2ccc(F)cc2)cc1
d. CN1CCC(N(C)C(=O)c2cc(-c3ccccc3Cl)nc3ccccc23)CC1.Cl
e. Cc1ccc(S(=O)(=O)N(C)CC(=O)OCC(=O)NC(c2ccccc2)c2ccccc2)cc1
Answer: a. Fc1ccc(CN2CCSCC2)cc1F
{#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#}
Fc1ccc(CN2CCSCC2)cc1F
Fc1ccc(CN2CCSCC2)cc1F
4-[(4,5-difluorophenyl)methyl]-1,4-thiazinane