Task: Answer the MCQ question.
Query: Which drug exhibits a 15.643\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CSCC[C@H](NC(=O)[C@@H]1Cc2ccccc2CN1)C(=O)NC1CCCCC1
b. O=C(O)C1=C[C@@H](c2csc3ccccc23)C[C@@H](OCc2ccc(CO)cc2)O1
c. O=C(Nc1c2c(nn1-c1ccc(F)cc1)CS(=O)(=O)C2)C1CCCC1
d. O=C(COC(=O)CNC(=O)c1ccc([N+](=O)[O-])o1)Nc1ncc(Cl)cc1Cl
Answer: b. O=C(O)C1=C[C@@H](c2csc3ccccc23)C[C@@H](OCc2ccc(CO)cc2)O1
{#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(O)C1=C[C@@H](c2csc3ccccc23)C[C@@H](OCc2ccc(CO)cc2)O1
O=C(O)C1=C[C@@H](c2csc3ccccc23)C[C@@H](OCc2ccc(CO)cc2)O1
(2S,4S)-4-(1-benzothiophen-3-yl)-2-[[4-(hydroxymethyl)phenyl]methoxy]-3,4-dihydro-2H-pyran-6-carboxylic acid