Task: Answer the multiple-choice question.
Question: Which compound has a 21.290% 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: CC(C)CC(OC(=O)c1ccc(Cl)nc1)C(=O)NC1CCCC1
b: CCOC(=O)c1[nH]c(C)c(C(=O)OCC(=O)NC(=O)NC(C)(C)C)c1C
c: COCCCNC(=O)C1CC(=O)N(CCc2ccc(F)cc2)C1
d: COc1ccc(C(=O)C[n+]2ccc(-c3nnc4n3CCCCC4)cc2)cc1.[Br-]
e: CCOC(=O)c1c(NC(=O)CN2CCOCC2)sc(C(=O)NC)c1C
Answer: b. CCOC(=O)c1[nH]c(C)c(C(=O)OCC(=O)NC(=O)NC(C)(C)C)c1C
{#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#}
CCOC(=O)c1[nH]c(C)c(C(=O)OCC(=O)NC(=O)NC(C)(C)C)c1C
CCOC(=O)c1[nH]c(C)c(C(=O)OCC(=O)NC(=O)NC(C)(C)C)c1C
4-O-[2-(tert-butylcarbamoylamino)-2-oxoethyl] 2-O-ethyl 3,5-dimethyl-1H-pyrrole-2,4-dicarboxylate