Task: Answer the multiple-choice question.
Query: Which compound exhibits a 20.557\% 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(CCN1C(=O)/C(=C/c2ccccc2)SC1=S)N[C@@H](CO)Cc1ccccc1
b: CN(CC(=O)Nc1ccc(F)c(F)c1F)C(=O)CCCSc1nc2ccccc2[nH]1
c: CCN(CC)c1ccc(O)c(C=Nc2ccc(C)c(C)c2)c1
Answer: a. O=C(CCN1C(=O)/C(=C/c2ccccc2)SC1=S)N[C@@H](CO)Cc1ccccc1
{#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=C(CCN1C(=O)/C(=C/c2ccccc2)SC1=S)N[C@@H](CO)Cc1ccccc1
O=C(CCN1C(=O)/C(=C/c2ccccc2)SC1=S)N[C@@H](CO)Cc1ccccc1
3-[(5Z)-5-benzylidene-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-N-[(2R)-1-hydroxy-3-phenylpropan-2-yl]propanamide