Task: Answer the MCQ question.
Query: Which compound has a 5.403\% 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) S=C(NCCc1ccccc1)N1CCN(Cc2ccc(Cl)c(Cl)c2)CC1
(b) COC(=O)c1ccc2nc(-c3ccc4c(c3)OCO4)cn2c1
(c) CCCn1c(SCc2nc(N)nc(N3CCCCC3)n2)nc2c1c(=O)n(C)c(=O)n2C
(d) Cc1ccc(C)c(NC(=O)c2ccccc2C(=O)c2ccccc2)c1
Answer: c. CCCn1c(SCc2nc(N)nc(N3CCCCC3)n2)nc2c1c(=O)n(C)c(=O)n2C
{#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#}
CCCn1c(SCc2nc(N)nc(N3CCCCC3)n2)nc2c1c(=O)n(C)c(=O)n2C
CCCn1c(SCc2nc(N)nc(N3CCCCC3)n2)nc2c1c(=O)n(C)c(=O)n2C
8-[(4-amino-6-piperidin-1-yl-1,3,5-triazin-2-yl)methylsulfanyl]-1,3-dimethyl-7-propylpurine-2,6-dione