Task: Answer the multiple-choice question.
Query: Which drug has a 16.721\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: CCCc1cc(=O)oc2cc(OCC(=O)NC3CC(C)(C)NC(C)(C)C3)ccc12
b: CCOC(=O)CSc1nc(C(C)C)nc2sc(C)c(C)c12
c: CC1Oc2ccccc2C=C1/C=N/NC(=O)c1ccccc1O
d: CCOC(=O)c1sc2nc(C)nc(NCc3ccccc3)c2c1C
e: CC1CCCCC1N=C1NC(C)(C)CS1
Answer: d. CCOC(=O)c1sc2nc(C)nc(NCc3ccccc3)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(NCc3ccccc3)c2c1C
CCOC(=O)c1sc2nc(C)nc(NCc3ccccc3)c2c1C
ethyl 4-(benzylamino)-2,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylate