Task: Answer the MCQ question.
Query: Which compound exhibits a 13.279\% 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) CCN(CC)CCNC(=O)c1[nH]c2ccc(OCc3ccccc3)cc2c1C
(b) CCOCCCNC(=O)CN(c1cc([N+](=O)[O-])ccc1OC)S(C)(=O)=O
(c) O=C(CSc1ccccc1C(=O)O)c1ccccc1
(d) CC12CN3CC(C)(CN(C1)C3c1ccc3c(c1)OCO3)C2O
Answer: b. CCOCCCNC(=O)CN(c1cc([N+](=O)[O-])ccc1OC)S(C)(=O)=O
{#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#}
CCOCCCNC(=O)CN(c1cc([N+](=O)[O-])ccc1OC)S(C)(=O)=O
CCOCCCNC(=O)CN(c1cc([N+](=O)[O-])ccc1OC)S(C)(=O)=O
N-(3-ethoxypropyl)-2-(2-methoxy-N-methylsulfonyl-5-nitroanilino)acetamide