Problem statement: Answer the multiple-choice question.
Query: Which drug has a 0.842\% 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 CCOC(=O)c1cnc2c(C(F)(F)F)cccc2c1N1CCOCC1
b O=C(Cc1ccc(Cl)cc1)NCC(=O)N1CCCC1
c Cc1nc2cc(NC(=O)N3c4ccccc4CC3C)ccc2n1C
d CCOC(=O)C1C(=O)NCC2CCCC21
e CC(=O)Nc1c(I)c(NC(C)=O)c(I)c(C(=O)[O-])c1I.[Na+]
Answer: b. O=C(Cc1ccc(Cl)cc1)NCC(=O)N1CCCC1
{#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#}
2-(4-chlorophenyl)-N-(2-oxo-2-pyrrolidin-1-ylethyl)acetamide