Task: Answer the multiple choice question.
Query: Which compound exhibits a 2.654\% 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 additional words.
Options:
a.) Cc1ccccc1CNC(=O)c1cc(COc2ccc(F)cc2F)on1
b.) COc1ccc2[nH]c3c(=O)n(CCCC(=O)NC4CCCCC4C)c(=S)[nH]c3c2c1
c.) O=C(Nc1ccc(Oc2ccc(C(=O)O)c(C(=O)O)c2)cc1)c1cccs1
d.) N#CCC(=O)N/N=C/c1cc(Br)ccc1OCc1cccc2ccccc12
e.) COc1cc(C(C#N)N2CCCCC2)ccc1O
Answer: b. COc1ccc2[nH]c3c(=O)n(CCCC(=O)NC4CCCCC4C)c(=S)[nH]c3c2c1
{#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#}
COc1ccc2[nH]c3c(=O)n(CCCC(=O)NC4CCCCC4C)c(=S)[nH]c3c2c1
COc1ccc2[nH]c3c(=O)n(CCCC(=O)NC4CCCCC4C)c(=S)[nH]c3c2c1
4-(8-methoxy-4-oxo-2-sulfanylidene-1,5-dihydropyrimido[5,4-b]indol-3-yl)-N-(2-methylcyclohexyl)butanamide