Task: Answer the multiple choice question.
Query: Which compound has a 4.282\% 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, d, or e without using any other words.
Options:
[a] CC(c1nnc(SCn2nnc3ccccc3c2=O)n1-c1ccc(Cl)cc1)N(C)C
[b] CCc1nc(N2CCOCC2)c(C#N)c2c1CCCC2
[c] CCOC(=O)CC(NC(=O)Cc1cccs1)c1ccccc1Cl
[d] O=C1C2CC=CCC2C(=O)N1c1cccc(OS(=O)(=O)c2ccc3ccccc3c2)c1
[e] CC(C)(C)NC(=O)CSc1nc2ccc(Nc3nc(N4CCOCC4)nc(N4CCOCC4)n3)cc2s1
Answer: b. CCc1nc(N2CCOCC2)c(C#N)c2c1CCCC2
{#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#}
CCc1nc(N2CCOCC2)c(C#N)c2c1CCCC2
CCc1nc(N2CCOCC2)c(C#N)c2c1CCCC2
1-ethyl-3-morpholin-4-yl-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile