Task: Answer the MCQ question.
Question: Which drug has a 6.645\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) COCCNC(=O)c1ccc(CS(=O)(=O)c2c(Cl)cccc2Cl)o1
(b) CSc1nc2c(cc1C#N)CCC2
(c) O=S(=O)(NC1CC1)c1ccc(Cl)cc1F
(d) Cc1cc(Oc2cc(NN3CCCCC3)c([N+](=O)[O-])cc2[N+](=O)[O-])c(C(=O)c2ccccc2)cc1Cl
(e) CC(=O)NC(C)c1cc(Cl)c2ccccc2c1O
Answer: e. CC(=O)NC(C)c1cc(Cl)c2ccccc2c1O
{#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#}
CC(=O)NC(C)c1cc(Cl)c2ccccc2c1O
CC(=O)NC(C)c1cc(Cl)c2ccccc2c1O
N-[1-(4-chloro-1-hydroxynaphthalen-2-yl)ethyl]acetamide