Task: Answer the MCQ question.
Query: Which drug exhibits a 26.447% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. O=Cc1c(-c2ccccc2)cc2oc3ccccc3cc1-2
b. Cc1ccc(C(=O)c2ccc(N3CCN(C)CC3)c([N+](=O)[O-])c2)cc1
c. Cc1cccc(NC(=O)NCc2ccc3c(c2)OCO3)c1C
d. CCN(CC(=O)Nc1c(F)cccc1F)C(=O)/C=C/c1ccc(S(=O)(=O)N2CCCCCC2)cc1
e. Cc1ccc(NC(=O)c2ccc3c(=O)n4c(nc3c2)CCC4)cc1F
Answer: a. O=Cc1c(-c2ccccc2)cc2oc3ccccc3cc1-2
{#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#}
O=Cc1c(-c2ccccc2)cc2oc3ccccc3cc1-2
O=Cc1c(-c2ccccc2)cc2oc3ccccc3cc1-2
2-phenylcyclopenta[b]chromene-1-carbaldehyde