Problem statement: Answer the MCQ question.
Question: Which compound has a 0.822\% 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.) Cc1nc(NCc2ccco2)c2c3c(sc2n1)CCC3
b.) COc1cc(OC)c2ccc(=O)oc2c1C(=O)C=C(C)C
c.) O=C(NN=C1CCN(Cc2ccccc2)CC1)C(O)c1ccccc1
d.) O=C(Cn1cnc2ccccc2c1=O)Nc1nnc(SCc2ccc(Cl)cc2)s1
Answer: b. COc1cc(OC)c2ccc(=O)oc2c1C(=O)C=C(C)C
{#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(OC)c2ccc(=O)oc2c1C(=O)C=C(C)C
COc1cc(OC)c2ccc(=O)oc2c1C(=O)C=C(C)C
5,7-dimethoxy-8-(3-methylbut-2-enoyl)chromen-2-one