Task: Answer the MCQ question.
Question: Which drug exhibits a -1.767\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CC(C)CN1CCN(Cc2cccc3c2OCO3)CC1CCO
b: CCOC(=O)C(C)Oc1cccc2c(=O)n(CC(=O)NCc3ccc(F)cc3)ccc12
c: CCCc1c(C)c2ccc(OCC(C)=O)cc2oc1=O
Answer: c. CCCc1c(C)c2ccc(OCC(C)=O)cc2oc1=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#}
CCCc1c(C)c2ccc(OCC(C)=O)cc2oc1=O
CCCc1c(C)c2ccc(OCC(C)=O)cc2oc1=O
4-methyl-7-(2-oxopropoxy)-3-propylchromen-2-one