Task: Answer the multiple-choice question.
Question: Which compound exhibits a -20.719\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=S(=O)(c1ccc(S(=O)(=O)N2CCCC3(CCCCC3)C2)cc1)N1CCCCC1
(b) Cc1cccc(CNC(=O)c2ccc3c(c2)N(C)CCS3)c1
Answer: b. Cc1cccc(CNC(=O)c2ccc3c(c2)N(C)CCS3)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#}
Cc1cccc(CNC(=O)c2ccc3c(c2)N(C)CCS3)c1
Cc1cccc(CNC(=O)c2ccc3c(c2)N(C)CCS3)c1
4-methyl-N-[(3-methylphenyl)methyl]-2,3-dihydro-1,4-benzothiazine-6-carboxamide