Task: Answer the MCQ question.
Question: Which compound has a 6.791\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a O=C(NCc1cccnc1)[C@@H]1CC=C[C@@H]2CCN(Cc3ccc(Cl)c(Cl)c3)C(=O)[C@@H]21
b CCCC1O[C@@H]2CC3C4CCC5=CC(=O)C=C[C@]5(C)C4C(OC(C)=O)C[C@]3(C)[C@]2(C(=O)COC(C)=O)O1
c Cc1c(N/N=C(\C#N)C(=O)c2ccc(Cl)cc2)c(=O)n(-c2ccccc2)n1C
d O=S(=O)(Nc1cc(S(=O)(=O)N2CCOCC2)ccc1NCC1CCCO1)c1ccccc1F
e Cc1ccc(C)c(S(=O)(=O)C(C#N)c2nc3ccccc3nc2N2CC(C)OC(C)C2)c1
Answer: b. CCCC1O[C@@H]2CC3C4CCC5=CC(=O)C=C[C@]5(C)C4C(OC(C)=O)C[C@]3(C)[C@]2(C(=O)COC(C)=O)O1
{#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#}
CCCC1O[C@@H]2CC3C4CCC5=CC(=O)C=C[C@]5(C)C4C(OC(C)=O)C[C@]3(C)[C@]2(C(=O)COC(C)=O)O1
CCCC1O[C@@H]2CC3C4CCC5=CC(=O)C=C[C@]5(C)C4C(OC(C)=O)C[C@]3(C)[C@]2(C(=O)COC(C)=O)O1
[2-[(4R,8S,9S,13R)-11-acetyloxy-9,13-dimethyl-16-oxo-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-8-yl]-2-oxoethyl] acetate