Task: Answer the multiple-choice question.
Query: Which drug has a 8.709\% 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.) CCc1cc(=O)oc2c(C)c(O[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)ccc12
b.) CCOC(=O)C(C)Oc1ccsc1C(=O)OC
c.) Cl.O=C(O)c1ccc(CNCc2ccc(Cl)cc2Cl)cc1
d.) CN(C)CCCN(C(=O)c1ccc(C(=O)c2ccccc2)cc1)c1nc2ccc(F)cc2s1
Answer: b. CCOC(=O)C(C)Oc1ccsc1C(=O)OC
{#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#}
CCOC(=O)C(C)Oc1ccsc1C(=O)OC
CCOC(=O)C(C)Oc1ccsc1C(=O)OC
methyl 3-(1-ethoxy-1-oxopropan-2-yl)oxythiophene-2-carboxylate