Task: Answer the multiple choice question.
Question: Which compound exhibits a 4.768\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CC(Oc1ccccc1Cl)c1nnc(N)s1
b. COc1ccc2c(c1)OC[C@H]1[C@H]2N2C(=O)CN(Cc3ccc(Cl)cc3)C(=O)[C@@]2(C)[C@H]1c1ccccc1
Answer: a. CC(Oc1ccccc1Cl)c1nnc(N)s1
{#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#}
CC(Oc1ccccc1Cl)c1nnc(N)s1
CC(Oc1ccccc1Cl)c1nnc(N)s1
5-[1-(2-chlorophenoxy)ethyl]-1,3,4-thiadiazol-2-amine