Task: Answer the multiple-choice question.
Question: Which drug exhibits a 7.463\% human ether-à-go-go related gene (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 Nc1ccc2ncccc2c1N
b Cl.ClCC1=Nc2cccc3cccc(c23)N1
c COc1ccc(/C=N/n2c(N)nc3ccccc32)cc1OC
d Cc1ccc(O)c(C(=O)c2cnc3c(c2)c(-c2ccc(F)cc2)c(C#N)c(=O)n3C)c1
Answer: b. Cl.ClCC1=Nc2cccc3cccc(c23)N1
{#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#}
Cl.ClCC1=Nc2cccc3cccc(c23)N1
Cl.ClCC1=Nc2cccc3cccc(c23)N1
[Cl].[Cl][C][C][=N][C][=C][C][=C][C][=C][C][=C][C][=Branch1][=Branch1][=C][Ring1][#Branch2][Ring1][=Branch1][N][Ring1][=N]
2-(chloromethyl)-1H-perimidine;hydrochloride