Task: Answer the multiple-choice question.
Question: Which drug exhibits a -4.006\% 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) CCSc1nnc(-c2cnn(-c3ccccc3)c2-n2cccc2)n1C
(b) O=C(c1ccc(Cl)c(NC2=NC3CS(=O)(=O)CC3S2)c1)N1CCN(c2ccc(F)cc2)CC1
(c) COc1ccc(-c2[nH]ncc2CN(CCO)Cc2cccs2)c(F)c1
Answer: a. CCSc1nnc(-c2cnn(-c3ccccc3)c2-n2cccc2)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#}
CCSc1nnc(-c2cnn(-c3ccccc3)c2-n2cccc2)n1C
CCSc1nnc(-c2cnn(-c3ccccc3)c2-n2cccc2)n1C
3-ethylsulfanyl-4-methyl-5-(1-phenyl-5-pyrrol-1-ylpyrazol-4-yl)-1,2,4-triazole