Problem statement: Answer the MCQ question.
Query: Which drug has a 18.255\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Fc1ccc(CN2CCN(c3ncccn3)CC2)c(F)c1
b Fc1ccc(C2c3cccn3CCN2C(=S)Nc2cccc(F)c2)cc1
c COc1cccc(/C=C2/C(=O)NN(c3ccc(C)c(C)c3)C2=O)c1
d Cc1nc([N+](=O)[O-])cn1CC(=O)c1ccc(Cl)cc1
Answer: a. Fc1ccc(CN2CCN(c3ncccn3)CC2)c(F)c1
{#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#}
Fc1ccc(CN2CCN(c3ncccn3)CC2)c(F)c1
Fc1ccc(CN2CCN(c3ncccn3)CC2)c(F)c1
2-[4-[(2,4-difluorophenyl)methyl]piperazin-1-yl]pyrimidine