Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -5.092\% 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. O=C(CCn1c2c(c3ccccc31)CCCC2)NNC(=O)c1ccc(Cl)c([N+](=O)[O-])c1
b. CCC(=O)N(Cc1cc(=O)[nH]c2ccccc12)c1cccc(C)c1
Answer: a. O=C(CCn1c2c(c3ccccc31)CCCC2)NNC(=O)c1ccc(Cl)c([N+](=O)[O-])c1
{#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(CCn1c2c(c3ccccc31)CCCC2)NNC(=O)c1ccc(Cl)c([N+](=O)[O-])c1
O=C(CCn1c2c(c3ccccc31)CCCC2)NNC(=O)c1ccc(Cl)c([N+](=O)[O-])c1
4-chloro-3-nitro-N'-[3-(1,2,3,4-tetrahydrocarbazol-9-yl)propanoyl]benzohydrazide