Task: Answer the multiple-choice question.
Question: Which drug exhibits a 22.444\% 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) CC(C)CCNC(=S)Nc1ccccn1
b) COc1ccc(C(=O)Oc2ccc3ccc(=O)oc3c2)cc1
c) O=C(Cn1c(=O)n(CC2CCCO2)c(=O)c2ccccc21)N1CCN(c2ccccc2)CC1
d) Cc1ccc(NC(=O)c2ccc([N+](=O)[O-])o2)cc1C
Answer: b. COc1ccc(C(=O)Oc2ccc3ccc(=O)oc3c2)cc1
{#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#}
COc1ccc(C(=O)Oc2ccc3ccc(=O)oc3c2)cc1
COc1ccc(C(=O)Oc2ccc3ccc(=O)oc3c2)cc1
(2-oxochromen-7-yl)4-methoxybenzoate