Task: Answer the multiple-choice question.
Query: Which drug exhibits a 4.578\% 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) c1ccc2oc(NC3=NCN(CC4CCCO4)CN3)nc2c1
(b) CCOc1ccc(-n2c(=O)c3c4c(sc3n(CC(=O)NCCCOC)c2=O)CCCCC4)cc1
(c) CC(=O)N1CCc2[nH]c3ccccc3c2C1
Answer: b. CCOc1ccc(-n2c(=O)c3c4c(sc3n(CC(=O)NCCCOC)c2=O)CCCCC4)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#}
CCOc1ccc(-n2c(=O)c3c4c(sc3n(CC(=O)NCCCOC)c2=O)CCCCC4)cc1
CCOc1ccc(-n2c(=O)c3c4c(sc3n(CC(=O)NCCCOC)c2=O)CCCCC4)cc1
2-[4-(4-ethoxyphenyl)-3,5-dioxo-8-thia-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7)-dien-6-yl]-N-(3-methoxypropyl)acetamide