Task: Answer the MCQ question.
Query: Which drug exhibits a -20.409% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CC1=C(C(=O)OCc2ccccc2)C(c2cccs2)N2C(=O)CCSC2=N1
[b] Cc1nc(SC2CC(=O)N(c3ccc([N+](=O)[O-])cc3)C2=O)nc2c1CCCC2
[c] Cc1cccc(OCC(O)CN2CCN(CCN3C(=O)c4cccc5cccc(c45)C3=O)CC2)c1C
[d] COc1cccc(NC(=O)c2ccccc2NS(C)(=O)=O)c1
Answer: b. Cc1nc(SC2CC(=O)N(c3ccc([N+](=O)[O-])cc3)C2=O)nc2c1CCCC2
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1nc(SC2CC(=O)N(c3ccc([N+](=O)[O-])cc3)C2=O)nc2c1CCCC2
Cc1nc(SC2CC(=O)N(c3ccc([N+](=O)[O-])cc3)C2=O)nc2c1CCCC2
3-[(4-methyl-5,6,7,8-tetrahydroquinazolin-2-yl)sulfanyl]-1-(4-nitrophenyl)pyrrolidine-2,5-dione