Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 4.074\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) Cc1onc(-c2ccccc2Cl)c1C(=O)Nc1cccc(-c2cn3cccnc3n2)c1
(b) CCc1nc2ccccc2c(C(=O)O)c1C
(c) CCN(CC)C(=O)CN(c1cc(Cl)ccc1OC)S(C)(=O)=O
(d) Cc1ccc(/C=C/C(=O)c2ccccc(=O)c2O)cc1C
(e) COc1cccc(OCC(O)CN2CCN(c3ccc(Cl)cc3)CC2)c1
Answer: b. CCc1nc2ccccc2c(C(=O)O)c1C
{#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#}
CCc1nc2ccccc2c(C(=O)O)c1C
CCc1nc2ccccc2c(C(=O)O)c1C
2-ethyl-3-methylquinoline-4-carboxylic acid