Problem statement: Answer the multiple choice question.
Question: Which compound has a 3.642\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) O=C(CN1C2CCCC1CC(NC(=O)c1ccco1)C2)Nc1ccccc1C(F)(F)F
b) CCN1CCS/C1=C\C=C\C1=[N+](CC)CCS1.[I-]
c) NC(=O)c1c(NC(=O)CSc2nnc(Cc3ccccc3)n2Cc2ccco2)sc2c1CCC2
Answer: b. CCN1CCS/C1=C\C=C\C1=[N+](CC)CCS1.[I-]
{#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#}
(2Z)-3-ethyl-2-[(E)-3-(3-ethyl-4,5-dihydro-1,3-thiazol-3-ium-2-yl)prop-2-enylidene]-1,3-thiazolidine;iodide