Problem statement: Answer the MCQ question.
Query: Which drug has a 9.966\% 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 other words.
Options:
(a) CCCCCCCCCCCCCCCC[N+](C)(C)C.O.[OH-]
(b) Cl.Nc1nc(N)c2[nH]c(-c3ccccc3)nc2n1
(c) CN(C)CCn1c2c(c(SCC(=O)Nc3ccc4c(c3)OCCO4)nc1=O)CCCC2
(d) NS(=O)(=O)c1ccc(NCCCn2ccnc2)c([N+](=O)[O-])c1
Answer: b. Cl.Nc1nc(N)c2[nH]c(-c3ccccc3)nc2n1
{#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.Nc1nc(N)c2[nH]c(-c3ccccc3)nc2n1
Cl.Nc1nc(N)c2[nH]c(-c3ccccc3)nc2n1
8-phenyl-7H-purine-2,6-diamine;hydrochloride