Problem statement: Answer the MCQ question.
Question: Which drug has a 12.915\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COc1cccc(CNc2nccs2)c1O
b. CCC(C)NC(=O)CN1C(=O)CSc2ccc(S(=O)(=O)N3CCCC3)cc21
c. Cc1cccc2cc(COC(=O)c3cccc([N+](=O)[O-])c3)c(=O)[nH]c12
Answer: a. COc1cccc(CNc2nccs2)c1O
{#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#}
COc1cccc(CNc2nccs2)c1O
COc1cccc(CNc2nccs2)c1O
2-methoxy-6-[(1,3-thiazol-2-ylamino)methyl]phenol