Task: Answer the multiple choice question.
Question: Which compound exhibits a 15.765\% 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] COc1ccc(/C=C2\SC(=S)N(CCC(=O)Nc3cccc(O)c3)C2=O)cc1OC
[b] Cc1c(C)c2c(c(C)c1O)CCC(C)(C(=O)O)O2
[c] COc1ccc(S(=O)(=O)NCC2CCCN(C(=O)c3cccs3)C2)cc1
[d] CCOc1ccccc1NC(=O)/C(C#N)=C/c1c(C)nn(-c2ccc(F)cc2)c1Cl
Answer: b. Cc1c(C)c2c(c(C)c1O)CCC(C)(C(=O)O)O2
{#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#}
Cc1c(C)c2c(c(C)c1O)CCC(C)(C(=O)O)O2
Cc1c(C)c2c(c(C)c1O)CCC(C)(C(=O)O)O2
6-hydroxy-2,5,7,8-tetramethyl-3,4-dihydrochromene-2-carboxylic acid