Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 17.595\% 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 other words.
Options:
(a) COc1ccc(N(C(=O)CNS(=O)(=O)c2ccccc2)C(C(=O)NCc2ccco2)C(C)C)cc1
(b) Cc1ccn(C)c(=N)c1
(c) CC(=O)Nc1ccc2nc(SCC(=O)O)sc2c1
(d) CN(C)C1=NC(N(C)C)=NP(N(C)C)(N(C)C)=N1
Answer: b. Cc1ccn(C)c(=N)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#}
Cc1ccn(C)c(=N)c1
Cc1ccn(C)c(=N)c1
1,4-dimethylpyridin-2-imine