Task: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES O=C1CN(C(=O)CSc2nnnn2-c2ccc(Cl)cc2)c2ccccc2N1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a: -2.981
b: 2.754
c: 2.090
Answer: a. -2.981\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
O=C1CN(C(=O)CSc2nnnn2-c2ccc(Cl)cc2)c2ccccc2N1
O=C1CN(C(=O)CSc2nnnn2-c2ccc(Cl)cc2)c2ccccc2N1
4-[2-[1-(4-chlorophenyl)tetrazol-5-yl]sulfanylacetyl]-1,3-dihydroquinoxalin-2-one