Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 17.263\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: Cc1sc2nc(-c3cccs3)oc(=O)c2c1C
b: COc1ccc(C(=O)Cn2ccsc2=NC(C)=O)cc1
c: COC(=O)c1ccc(NC(=O)CSC2=NCCN2)cc1.Cl
d: O=C(Nc1nnc(-c2cccs2)o1)c1cccc(F)c1
Answer: a. Cc1sc2nc(-c3cccs3)oc(=O)c2c1C
{#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#}
Cc1sc2nc(-c3cccs3)oc(=O)c2c1C
Cc1sc2nc(-c3cccs3)oc(=O)c2c1C
5,6-dimethyl-2-thiophen-2-ylthieno[2,3-d][1,3]oxazin-4-one