Task: Answer the multiple-choice question.
Question: Which compound exhibits a 17.426\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. N#CCN1CCC/C1=C\[N+](=O)[O-]
b. CC(Sc1nnc2c(n1)C1(C)CCC2C1(C)C)C(=O)Nc1ccccc1
c. CC1(C)Oc2ccc3ccc(=O)oc3c2/C(=C/Nc2ccccn2)C1=O
d. CCOC(=O)c1c(CSc2ccccc2)n(C)c2ccc(O)cc12
Answer: c. CC1(C)Oc2ccc3ccc(=O)oc3c2/C(=C/Nc2ccccn2)C1=O
{#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#}
CC1(C)Oc2ccc3ccc(=O)oc3c2/C(=C/Nc2ccccn2)C1=O
CC1(C)Oc2ccc3ccc(=O)oc3c2/C(=C/Nc2ccccn2)C1=O
(10Z)-8,8-dimethyl-10-[(pyridin-2-ylamino)methylidene]pyrano[2,3-f]chromene-2,9-dione