Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 2.773\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Nc1ccccc1C(=O)NCc1ccc(Cl)cc1
b. Cc1ccc(-c2nn(-c3ccccc3)cc2CNCc2ccccc2)cc1.Cl
c. COc1cccc(-n2nc3c(-n4ncc(C#N)c4N)nnc(C)c3c2C)c1
d. O=S(=O)(Nc1cc(C(F)(F)F)ccc1N1CCOCC1)c1ccccc1
Answer: a. Nc1ccccc1C(=O)NCc1ccc(Cl)cc1
{#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#}
Nc1ccccc1C(=O)NCc1ccc(Cl)cc1
Nc1ccccc1C(=O)NCc1ccc(Cl)cc1
2-amino-N-[(4-chlorophenyl)methyl]benzamide