Task: Answer the MCQ question.
Question: Which drug exhibits a 4.480\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a COCc1cc(N2CCOCC2)nc(SCc2ccc(Cl)cc2)n1
b CSc1nnc(-c2cccn(Cc3cccc(Cl)c3)c2=O)o1
c CC1(C)C2C(Cl)(Cl)C2(C)c2ccccc2N1C=O
d COc1ccc([N+](=O)[O-])cc1NC(=O)C(C)N1CCN(C(=O)c2ccco2)CC1
e Cc1ccccc1C(=O)NNC(=O)CSc1nc(-c2ccccc2)cc(=O)[nH]1
Answer: b. CSc1nnc(-c2cccn(Cc3cccc(Cl)c3)c2=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#}
CSc1nnc(-c2cccn(Cc3cccc(Cl)c3)c2=O)o1
CSc1nnc(-c2cccn(Cc3cccc(Cl)c3)c2=O)o1
1-[(3-chlorophenyl)methyl]-3-(5-methylsulfanyl-1,3,4-oxadiazol-2-yl)pyridin-2-one