Task: Answer the MCQ question.
Question: Which compound has a 5.393\% 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. c1ccc(Cn2nnnc2-c2ccco2)cc1
b. CCc1cc2c(NC3CCCC3)ncnc2s1.Cl
c. CC(=O)NC(=S)Nc1ccc(NC(=S)NC(=O)/C=C/c2ccco2)cc1
d. Cc1nnc(NC(=O)C2CCN(S(=O)(=O)c3ccc(Cl)cc3)CC2)s1
Answer: b. CCc1cc2c(NC3CCCC3)ncnc2s1.Cl
{#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#}
CCc1cc2c(NC3CCCC3)ncnc2s1.Cl
CCc1cc2c(NC3CCCC3)ncnc2s1.Cl
N-cyclopentyl-6-ethylthieno[2,3-d]pyrimidin-4-amine;hydrochloride