Task: Answer the multiple-choice question.
Question: Which compound exhibits a -4.033\% 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. Cc1nc2c3ccccc3n(CCN3CCCCC3)c2s1.Cl
b. Cc1cc(O)cc(=O)n1Cc1ccccc1
c. CCC(C)NC(=O)/C(=C/c1ccco1)c1ccccc1
d. CC(C)Nc1nnc(SCC(=O)Nc2ccc(F)cc2)s1
Answer: a. Cc1nc2c3ccccc3n(CCN3CCCCC3)c2s1.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#}
Cc1nc2c3ccccc3n(CCN3CCCCC3)c2s1.Cl
Cc1nc2c3ccccc3n(CCN3CCCCC3)c2s1.Cl
2-methyl-4-(2-piperidin-1-ylethyl)-[1,3]thiazolo[5,4-b]indole;hydrochloride