Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 4.456\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: Clc1c(Cl)c(Cl)c2n[nH]nc2c1Cl
b: CC1C2C(c3ccccc3)N(C)C(=O)N(C)C2N(C)C(=O)N1C
c: CN(C)C(=O)CCC(=O)N1CCCC(C(=O)c2ccc(C(F)(F)F)cc2)C1
Answer: b. CC1C2C(c3ccccc3)N(C)C(=O)N(C)C2N(C)C(=O)N1C
{#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#}
CC1C2C(c3ccccc3)N(C)C(=O)N(C)C2N(C)C(=O)N1C
CC1C2C(c3ccccc3)N(C)C(=O)N(C)C2N(C)C(=O)N1C
1,3,5,6,8-pentamethyl-4-phenyl-4,4a,5,8a-tetrahydropyrimido[4,5-d]pyrimidine-2,7-dione