Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 8.728\% 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 O=c1[nH]nnc2sc3c(c12)CCCC3
b COc1c(CC=C(C)C)c(O)cc2oc(=O)c3c4ccc(O)cc4oc3c12
c COc1ccc(CCN(C)C(=O)c2ccc(COc3ccccc3)o2)cc1OC
d O=C(Nc1ccccc1)c1ccc[n+](Cc2ccc([N+](=O)[O-])cc2)c1.[Br-]
Answer: b. COc1c(CC=C(C)C)c(O)cc2oc(=O)c3c4ccc(O)cc4oc3c12
{#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#}
COc1c(CC=C(C)C)c(O)cc2oc(=O)c3c4ccc(O)cc4oc3c12
COc1c(CC=C(C)C)c(O)cc2oc(=O)c3c4ccc(O)cc4oc3c12
3,9-dihydroxy-1-methoxy-2-(3-methylbut-2-enyl)-[1]benzofuro[3,2-c]chromen-6-one