Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -4.555\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCCCNC(=O)c1cc(-c2ccc3c(c2)OCO3)on1
b. CSCCC1C(=O)OC2(C)CC(C)(C)NC(=S)N12
Answer: b. CSCCC1C(=O)OC2(C)CC(C)(C)NC(=S)N12
{#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#}
CSCCC1C(=O)OC2(C)CC(C)(C)NC(=S)N12
CSCCC1C(=O)OC2(C)CC(C)(C)NC(=S)N12
7,7,8a-trimethyl-3-(2-methylsulfanylethyl)-5-sulfanylidene-6,8-dihydro-3H-[1,3]oxazolo[3,2-c]pyrimidin-2-one