Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 16.176\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(Cn1nc(C(=O)O)c2ccccc2c1=O)Nc1cc(Cl)cc(Cl)c1
(b) CCCCn1c(N)c(N(CC(C)C)C(=O)c2cc(C)oc2C)c(=O)[nH]c1=O
(c) Cc1ccc(C(=O)c2c[nH]cc2-c2ccccc2)cc1
Answer: a. O=C(Cn1nc(C(=O)O)c2ccccc2c1=O)Nc1cc(Cl)cc(Cl)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(Cn1nc(C(=O)O)c2ccccc2c1=O)Nc1cc(Cl)cc(Cl)c1
O=C(Cn1nc(C(=O)O)c2ccccc2c1=O)Nc1cc(Cl)cc(Cl)c1
3-[2-(3,5-dichloroanilino)-2-oxoethyl]-4-oxophthalazine-1-carboxylic acid