Task: Answer the MCQ question.
Question: Which compound exhibits a 0.021% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: CCc1ccc(Nc2n[n+](-c3ccccc3)c(/C=C/c3ccccc3)s2)cc1.[Cl-]
b: CC(C)OC(=O)Cn1nnc(-c2ccccc2)n1
c: O=C(NCc1ccc2c(c1)OCO2)C1COc2ccccc2O1
d: CCC(C)c1ccc(NC(=O)COC(=O)C2=COCCO2)cc1
e: Cc1ccc(OCCOC(=O)Cn2nc(C)c([N+](=O)[O-])c2C)cc1
Answer: b. CC(C)OC(=O)Cn1nnc(-c2ccccc2)n1
{#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#}
CC(C)OC(=O)Cn1nnc(-c2ccccc2)n1
CC(C)OC(=O)Cn1nnc(-c2ccccc2)n1
propan-2-yl 2-(5-phenyltetrazol-2-yl)acetate