Task: Answer the MCQ question.
Query: Which compound exhibits a -5.678\% 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, or c without using any additional words.
Options:
[a] Cc1sc2ncnc(N3CCN(c4ncccn4)CC3)c2c1C
[b] Cc1nc(C(=O)NCCCO)cc2c1[nH]c1ccccc12
[c] CNC(=O)c1ccccc1NC(=O)c1cccc(S(=O)(=O)N2CCCCC2)c1
Answer: a. Cc1sc2ncnc(N3CCN(c4ncccn4)CC3)c2c1C
{#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#}
Cc1sc2ncnc(N3CCN(c4ncccn4)CC3)c2c1C
Cc1sc2ncnc(N3CCN(c4ncccn4)CC3)c2c1C
5,6-dimethyl-4-(4-pyrimidin-2-ylpiperazin-1-yl)thieno[2,3-d]pyrimidine