Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 6.088\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1nn(-c2cc(C)c3ccccc3n2)c2c1C1C(C2)C1(C)C
(b) COC(=O)c1c(C)oc2ccc(OC(=O)c3cccs3)cc12
Answer: b. COC(=O)c1c(C)oc2ccc(OC(=O)c3cccs3)cc12
{#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#}
COC(=O)c1c(C)oc2ccc(OC(=O)c3cccs3)cc12
COC(=O)c1c(C)oc2ccc(OC(=O)c3cccs3)cc12
methyl 2-methyl-5-(thiophene-2-carbonyloxy)-1-benzofuran-3-carboxylate