Task: Answer the MCQ question.
Query: Which drug exhibits a 0.280\% 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) N#Cc1cc2cc3c(cc2nc1NCCNC(=S)NCCCN1CCOCC1)OCO3
b) Cc1cc(C)c(OCCN2CC(C)OC(C)C2)c(Br)c1.O=C(O)C(=O)O
c) CCOC(=O)C1CCN(c2nc3cc(OC)ccc3cc2C#N)CC1
d) COc1ccc(N/C=C(\C(C)=O)c2ccc(OC)c(OC)c2)cc1OC
e) COc1cc(C2C(=O)N(C3CCCC3)CC(=O)N2Cc2ccco2)ccc1OC(C)C
Answer: b. Cc1cc(C)c(OCCN2CC(C)OC(C)C2)c(Br)c1.O=C(O)C(=O)O
{#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#}
Cc1cc(C)c(OCCN2CC(C)OC(C)C2)c(Br)c1.O=C(O)C(=O)O
Cc1cc(C)c(OCCN2CC(C)OC(C)C2)c(Br)c1.O=C(O)C(=O)O
4-[2-(2-bromo-4,6-dimethylphenoxy)ethyl]-2,6-dimethylmorpholine;oxalic acid