Task: Answer the MCQ question.
Question: Which drug exhibits a 15.961\% 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 additional words.
Options:
a: COc1cc(Cl)cc(C=O)c1OCC(=O)O
b: CNC(=O)Nc1nnc(C(C)(C)C)s1
c: CCOC(=O)CNC(=O)N1c2ccccc2Sc2ccccc21
d: COc1cccc(-c2cc(C(=O)Nc3cnn(Cc4ccc(F)cc4)c3)no2)c1
Answer: a. COc1cc(Cl)cc(C=O)c1OCC(=O)O
{#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#}
COc1cc(Cl)cc(C=O)c1OCC(=O)O
COc1cc(Cl)cc(C=O)c1OCC(=O)O
2-(4-chloro-2-formyl-6-methoxyphenoxy)aceticacid