Task: Answer the MCQ question.
Question: Which compound has a 18.895% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COc1ccc(S(=O)(=O)N2CCOCC2)cc1NC(=O)c1cccc(Cl)c1
b. CCCn1c2ccc(F)cc2c2nnc(NN)nc21
c. CC1(C)CC(=O)C(C2C3=C(CC(C)(C)CC3=O)Oc3ccccc32)C(=O)C1
d. COc1ccc(OC)c(/C=N/NC(=O)c2cc[n+](CC(=O)c3ccccc3)cc2)c1.[Br-]
Answer: c. CC1(C)CC(=O)C(C2C3=C(CC(C)(C)CC3=O)Oc3ccccc32)C(=O)C1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC1(C)CC(=O)C(C2C3=C(CC(C)(C)CC3=O)Oc3ccccc32)C(=O)C1
CC1(C)CC(=O)C(C2C3=C(CC(C)(C)CC3=O)Oc3ccccc32)C(=O)C1
2-(3,3-dimethyl-1-oxo-4,9-dihydro-2H-xanthen-9-yl)-5,5-dimethylcyclohexane-1,3-dione