Task: Answer the multiple-choice question.
Question: Which compound exhibits a 14.174\% 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. O=C1C2C3C=CC(C3)C2C(=O)N1Nc1ccccc1
b. CN1CCN(Cc2nc(-c3cccs3)no2)CC1c1ccccc1
c. CC1CN(C2CCN(C(=O)COc3ccccc3)CC2)CC(C)O1
d. COc1ccc(CC(=O)NCc2ccccc2Cl)cc1S(=O)(=O)N1CCOCC1
Answer: a. O=C1C2C3C=CC(C3)C2C(=O)N1Nc1ccccc1
{#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#}
O=C1C2C3C=CC(C3)C2C(=O)N1Nc1ccccc1
O=C1C2C3C=CC(C3)C2C(=O)N1Nc1ccccc1
4-anilino-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione