Task: Answer the multiple-choice question.
Question: Which drug exhibits a 6.510\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) Br.CCn1c2c(c(=N)c3c1CCC3)CCC2
b.) O=C(NC1CCN(Cc2ccccc2)CC1)c1ccccc1Cl
c.) CCN(CC)C(=O)CSc1nnc(-c2ccco2)n1Cc1ccco1
d.) NC(=O)c1cc([N+](=O)[O-])c(Cl)cc1NCc1ccncc1
e.) Cl.N=c1sccn1CC(=O)Nc1cc(Cl)ccc1[N+](=O)[O-]
Answer: a. Br.CCn1c2c(c(=N)c3c1CCC3)CCC2
{#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#}
Br.CCn1c2c(c(=N)c3c1CCC3)CCC2
Br.CCn1c2c(c(=N)c3c1CCC3)CCC2
2-ethyl-2-azatricyclo[7.3.0.03,7]dodeca-1(9),3(7)-dien-8-imine;hydrobromide