Task: Answer the MCQ question.
Query: Which drug exhibits a 15.757\% 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. O=C(CSC1=NCCS1)Nc1cccc2ccccc12
b. COc1ccc(N(CC(=O)O)S(=O)(=O)c2cccnc2)cc1
c. CCOc1ccc(/C=C\c2nc(O)c([N+](=O)[O-])c(=O)[nH]2)cc1OCC
d. COc1cccc(-c2onc3ccc(C(=O)/C=C/N(C)C)cc23)c1
e. O=C(C1=C(O)C(=O)N(CCCN2CCOCC2)C1c1ccc(Cl)cc1)c1cc2ccccc2o1
Answer: e. O=C(C1=C(O)C(=O)N(CCCN2CCOCC2)C1c1ccc(Cl)cc1)c1cc2ccccc2o1
{#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(C1=C(O)C(=O)N(CCCN2CCOCC2)C1c1ccc(Cl)cc1)c1cc2ccccc2o1
O=C(C1=C(O)C(=O)N(CCCN2CCOCC2)C1c1ccc(Cl)cc1)c1cc2ccccc2o1
2-(4-chlorophenyl)-3-(1-benzofuran-2-carbonyl)-4-hydroxy-1-(3-morpholin-4-ylpropyl)-2H-pyrrol-5-one