Task: Answer the multiple-choice question.
Question: Which compound exhibits a 2.404\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CC(C)Nc1nnc(SCC(=O)N2CCN(C(=O)c3ccco3)CC2)s1
b. c1ccc(-c2nnc(CN3CCN(c4ccccc4)CC3)o2)cc1
c. N=c1c2c3c(sc2ncn1N)CCCC3
d. O=[N+]([O-])c1ccccc1CSc1nc2ccccc2o1
Answer: c. N=c1c2c3c(sc2ncn1N)CCCC3
{#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=c1c2c3c(sc2ncn1N)CCCC3
N=c1c2c3c(sc2ncn1N)CCCC3
4-imino-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-3-amine