Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 6.500\% 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.) CCCCC(C(=O)NC(C)(C)C)N(Cc1ccccc1)C(=O)c1snc(C(N)=O)c1N
b.) Cc1csc(=N)n1Cc1ccccc1
c.) Cc1ccsc1C(=O)Nc1ccc(O)c(-c2nc3ccccc3s2)c1
d.) CCOC(=O)/C(C)=N/NC(=O)c1cccc([N+](=O)[O-])c1
Answer: b. Cc1csc(=N)n1Cc1ccccc1
{#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#}
3-benzyl-4-methyl-1,3-thiazol-2-imine