Task: Answer the multiple-choice question.
Question: Which compound exhibits a -38.847\% 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: COC(=O)c1ccc(OC)c(CSc2nnc(-c3ccc(C(C)(C)C)cc3)o2)c1
b: CSc1nc(NCc2ccco2)c2c3c(sc2n1)CN(C)CC3
c: CN(C)c1ccc(/C=N/N=C(N)N)cc1[N+](=O)[O-]
d: COc1ccc(C(=O)C2CCCN(C(=O)C3=CCCC3)C2)cc1OC
Answer: b. CSc1nc(NCc2ccco2)c2c3c(sc2n1)CN(C)CC3
{#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#}
N-(furan-2-ylmethyl)-11-methyl-5-methylsulfanyl-8-thia-4,6,11-triazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine