Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 18.216\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCN(C(=O)CN1C(=O)S/C(=C\C=C\c2ccccc2)C1=O)C1CCS(=O)(=O)C1
[b] Cc1cc(C(=O)NCC2(N3CCCCC3)CCCCC2)ccc1[N+](=O)[O-]
Answer: a. CCN(C(=O)CN1C(=O)S/C(=C\C=C\c2ccccc2)C1=O)C1CCS(=O)(=O)C1
{#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#}
CCN(C(=O)CN1C(=O)S/C(=C\C=C\c2ccccc2)C1=O)C1CCS(=O)(=O)C1
CCN(C(=O)CN1C(=O)S/C(=C\C=C\c2ccccc2)C1=O)C1CCS(=O)(=O)C1
2-[(5Z)-2,4-dioxo-5-[(E)-3-phenylprop-2-enylidene]-1,3-thiazolidin-3-yl]-N-(1,1-dioxothiolan-3-yl)-N-ethylacetamide