Problem statement: Answer the multiple-choice question.
Question: Which drug has a 21.509\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CCOC(=O)c1c(C)[nH]c(C(=O)OCC(=O)NC2(C#N)CCCCC2)c1C
b: COC(=O)N/N=C/c1ccc(OC(=O)c2ccco2)c(OC)c1
c: COC(=O)c1c(NC(=O)CN2CCN(S(=O)(=O)c3ccccc3)CC2)sc2c1CCC(C)C2
Answer: b. COC(=O)N/N=C/c1ccc(OC(=O)c2ccco2)c(OC)c1
{#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#}
COC(=O)N/N=C/c1ccc(OC(=O)c2ccco2)c(OC)c1
COC(=O)N/N=C/c1ccc(OC(=O)c2ccco2)c(OC)c1
[2-methoxy-4-[(E)-(methoxycarbonylhydrazinylidene)methyl]phenyl] furan-2-carboxylate