Task: Answer the multiple choice question.
Question: Which drug exhibits a 0.314% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) COc1ccc2[nH]c(=O)c(CNc3ccc(C)cc3C)cc2c1
(b) COc1ccc(OC(=O)N2CCOCC2)cc1
(c) O=C(Oc1cccccc1=O)c1ccccc1
(d) COc1cc(/C=C2\SC(=Nc3ccc(N4CCOCC4)cc3)N(C)C2=O)ccc1OC(C)C(=O)O
Answer: b. COc1ccc(OC(=O)N2CCOCC2)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(OC(=O)N2CCOCC2)cc1
COc1ccc(OC(=O)N2CCOCC2)cc1
(4-methoxyphenyl) morpholine-4-carboxylate