Task: Answer the MCQ question.
Query: Which drug has a 18.867\% 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 additional words.
Options:
(a) CN(C)c1cccc(C(=O)NNC(=S)NC2CC3CCC2C3)c1
(b) CCOC(=O)C1=C(C(F)(F)F)Nc2ncnn2C1c1ccc(OC)cc1OC
(c) Cc1cc(C)nc(SCC(=O)NN=C2CCCC2)n1
(d) CC(=O)Nc1ccc(S(=O)(=O)NCC2CCCO2)cc1
(e) CN(C)C(=O)c1cc(C(=O)c2ccc(F)cc2C(F)(F)F)c[nH]1
Answer: b. CCOC(=O)C1=C(C(F)(F)F)Nc2ncnn2C1c1ccc(OC)cc1OC
{#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#}
CCOC(=O)C1=C(C(F)(F)F)Nc2ncnn2C1c1ccc(OC)cc1OC
CCOC(=O)C1=C(C(F)(F)F)Nc2ncnn2C1c1ccc(OC)cc1OC
ethyl 7-(2,4-dimethoxyphenyl)-5-(trifluoromethyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate