Task: Answer the MCQ question.
Query: Which drug has a 21.062\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. Cc1ccccc1OC(=O)CCC(=O)OCCCC(F)(F)C(F)(F)F
b. Cc1ccc(C(=O)N2CCN=C2SCc2ccc([N+](=O)[O-])cc2)cc1C
c. COc1cc(OC)c2ccc(=O)oc2c1C(CCN1CCCC1)c1ccc(N(C)C)cc1
d. COc1cc(C)c(S(=O)(=O)N2CCOCC2)cc1C
e. Cc1ccc(C(=O)C2(C)C3c4cc(Br)ccc4OC(=O)C32C(=O)c2ccco2)cc1
Answer: a. Cc1ccccc1OC(=O)CCC(=O)OCCCC(F)(F)C(F)(F)F
{#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#}
4-O-(2-methylphenyl) 1-O-(4,4,5,5,5-pentafluoropentyl) butanedioate