Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 4.159\% 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 other words.
Options:
a. Cn1c(CNc2ccc(Cl)cc2)nc2ccccc21
b. COc1ccc(Cl)cc1S(=O)(=O)n1nnc2ccccc21
c. COc1cc(OC)c(C=O)c(OC(=O)N(C)C)c1
d. Cc1noc(/C=C/Nc2ccc(F)cc2F)c1[N+](=O)[O-]
Answer: a. Cn1c(CNc2ccc(Cl)cc2)nc2ccccc21
{#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#}
Cn1c(CNc2ccc(Cl)cc2)nc2ccccc21
Cn1c(CNc2ccc(Cl)cc2)nc2ccccc21
[C][N][C][Branch1][=C][C][N][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring2][Ring1][C]
4-chloro-N-[(1-methylbenzimidazol-2-yl)methyl]aniline