Task: Answer the MCQ question.
Question: Which drug has a 9.374\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCOC(=O)c1sc2nc(C)nc(N3CCN(c4ncccn4)CC3)c2c1C
b. CC(C(=O)OCC(=O)c1ccc(F)cc1)N1C(=O)C2C3C=CC(C3)C2C1=O
c. NC(=O)CSc1nc2c(sc(=S)n2-c2ccccc2)c(=O)[nH]1
d. C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)[C@H]([C@@H](C)CC)n3cc([C@@H](N)Cc4ccc(O)cc4)nn3)CC2)nc(N2CCN(C(=O)[C@H]([C@@H](C)CC)n3cc([C@@H](N)CC(C)C)nn3)CC2)n1.Cl
Answer: a. CCOC(=O)c1sc2nc(C)nc(N3CCN(c4ncccn4)CC3)c2c1C
{#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#}
CCOC(=O)c1sc2nc(C)nc(N3CCN(c4ncccn4)CC3)c2c1C
CCOC(=O)c1sc2nc(C)nc(N3CCN(c4ncccn4)CC3)c2c1C
ethyl 2,5-dimethyl-4-(4-pyrimidin-2-ylpiperazin-1-yl)thieno[2,3-d]pyrimidine-6-carboxylate