Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 8.038\% 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 other words.
Options:
a O=C(CCn1c(=S)[nH]c2ccccc2c1=O)N1CCOCC1
b O=C(NCc1ccccn1)Nc1ccc(Cl)cc1Cl
c CCCn1c(=O)c2ccccc2n2c(Sc3nnnn3-c3ccccc3)nnc12
d COc1ccc(S(=O)(=O)N2Cc3ccccc3CC2C(=O)N2CCOCC2)cc1OC
Answer: a. O=C(CCn1c(=S)[nH]c2ccccc2c1=O)N1CCOCC1
{#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]c2ccccc2c1=O)N1CCOCC1
O=C(CCn1c(=S)[nH]c2ccccc2c1=O)N1CCOCC1
3-(3-morpholin-4-yl-3-oxopropyl)-2-sulfanylidene-1H-quinazolin-4-one