Problem statement: Answer the multiple choice question.
Query: Which compound has a 16.305\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COc1ccc(-c2c(C)c3ccc(O)cc3oc2=O)cc1OC
[b] CN1CCN(C(=O)c2ccc(NS(=O)(=O)c3ccccc3)cc2)CC1
[c] Cc1cc(C)c(NC(=O)CSc2nnc(-c3ccncc3)n2Cc2ccco2)c(C)c1
Answer: a. COc1ccc(-c2c(C)c3ccc(O)cc3oc2=O)cc1OC
{#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(-c2c(C)c3ccc(O)cc3oc2=O)cc1OC
COc1ccc(-c2c(C)c3ccc(O)cc3oc2=O)cc1OC
3-(3,4-dimethoxyphenyl)-7-hydroxy-4-methylchromen-2-one