Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 14.300\% 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: CC(=O)C1(O)C(C)CC2C3CCC4CC(O)CCC4(C)C3=CCC21C
b: O=C(CCn1c(=S)[nH]c2cc3c(cc2c1=O)OCO3)NCc1ccccc1Cl
Answer: b. O=C(CCn1c(=S)[nH]c2cc3c(cc2c1=O)OCO3)NCc1ccccc1Cl
{#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#}
O=C(CCn1c(=S)[nH]c2cc3c(cc2c1=O)OCO3)NCc1ccccc1Cl
O=C(CCn1c(=S)[nH]c2cc3c(cc2c1=O)OCO3)NCc1ccccc1Cl
N-[(2-chlorophenyl)methyl]-3-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)propanamide