Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 0.200\% 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.) COc1cc2c(cc1O)CC[n+]1cc3c(OC)c(OC)ccc3cc1-2
b.) Cc1nn(-c2nnc(NC3CCCCC3)nn2)c(C)c1Br
c.) CCNS(=O)(=O)c1ccc(OCCNS(C)(=O)=O)cc1
d.) NC(=O)N/N=C\c1cc(Br)ccc1O
Answer: a. COc1cc2c(cc1O)CC[n+]1cc3c(OC)c(OC)ccc3cc1-2
{#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#}
COc1cc2c(cc1O)CC[n+]1cc3c(OC)c(OC)ccc3cc1-2
COc1cc2c(cc1O)CC[n+]1cc3c(OC)c(OC)ccc3cc1-2
2,9,10-trimethoxy-5,6-dihydroisoquinolino[2,1-b]isoquinolin-7-ium-3-ol