Problem statement: Answer the multiple-choice question.
Query: Which drug has a 12.643\% 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) Clc1cccc(CN2CCSCC2)c1
(b) C#Cc1cccc(NC(=O)CSc2nnc(-c3ccc(C(F)(F)F)cn3)o2)c1
(c) CCCCNC(=O)C1(NC(=O)Nc2ccccc2)CCCCC1
Answer: a. Clc1cccc(CN2CCSCC2)c1
{#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#}
Clc1cccc(CN2CCSCC2)c1
Clc1cccc(CN2CCSCC2)c1
4-[(3-chlorophenyl)methyl]thiomorpholine