Problem statement: Answer the MCQ question.
Query: Which drug has a 1.818% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) N#Cc1nc(COc2ccccc2Cl)oc1N1CCCC1
(b) COc1c(C)cc(Br)cc1C(=O)O
(c) Nc1nc2ncc(CNc3ccc(C(=O)N[C@@H](CCC(=O)O)C(=O)O)cc3)nc2c(=O)[nH]1
(d) CCOC(=O)C1=C(Nc2ccccc2)CC(C)(O)C(C(=O)OCC)C1c1ccc(Cl)cc1
(e) S=C(NCc1ccc2c(c1)OCO2)Nc1ccc(-c2nc3ccccc3[nH]2)cc1
Answer: b. COc1c(C)cc(Br)cc1C(=O)O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1c(C)cc(Br)cc1C(=O)O
COc1c(C)cc(Br)cc1C(=O)O
5-bromo-2-methoxy-3-methylbenzoic acid