Task: Answer the MCQ question.
Query: Which compound has a 21.818\% 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.) COc1ccc(-c2nc3cc(NC(=O)Cc4ccc(OC)c(OC)c4)ccc3o2)cc1
b.) CCOC(=O)c1cc(S(=O)(=O)NCc2ccco2)cn1C
c.) Cc1nc(-c2ccccc2)sc1-c1n[nH]c(=S)n1C
d.) O=C(NCCCN1CCOCC1)c1cc(-c2cccc(O)c2)on1
e.) CNC(=O)CC1C(=O)N(c2ccc(Cl)cc2)C(=S)N1NC(=O)c1cccc(F)c1
Answer: c. Cc1nc(-c2ccccc2)sc1-c1n[nH]c(=S)n1C
{#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#}
Cc1nc(-c2ccccc2)sc1-c1n[nH]c(=S)n1C
Cc1nc(-c2ccccc2)sc1-c1n[nH]c(=S)n1C
4-methyl-3-(4-methyl-2-phenyl-1,3-thiazol-5-yl)-1H-1,2,4-triazole-5-thione