Task: Answer the multiple-choice question.
Query: Which compound exhibits a 4.721\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COc1ccc(C2NC(=O)NC(C)=C2C(=O)Nc2cccc(C)c2C)cc1
b. COc1ccc(/C=N/NC(=O)C2(O)c3ccccc3-c3ccccc32)cc1
c. O=C(/C=C/c1cccc([N+](=O)[O-])c1)NCCN1C(=O)S/C(=C\c2cccnc2)C1=O
d. FC(F)(F)c1cnc(-c2cnc(-c3ccccn3)nc2)c(Cl)c1
Answer: d. FC(F)(F)c1cnc(-c2cnc(-c3ccccn3)nc2)c(Cl)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#}
FC(F)(F)c1cnc(-c2cnc(-c3ccccn3)nc2)c(Cl)c1
FC(F)(F)c1cnc(-c2cnc(-c3ccccn3)nc2)c(Cl)c1
5-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-pyridin-2-ylpyrimidine