Problem statement: Answer the multiple choice question.
Query: Which drug has a 19.641\% 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) CC1CCCCC1NC1CCN(C)CC1
b) O=C(CCCCCNC(=O)N1CCn2c1nc1ccccc12)NCCc1ccccc1
c) COc1ccc(-c2nnnn2-c2ccccc2OC)cc1
d) COc1cccc(CN2CCN(C(=O)c3cc(-c4ccncc4)nc4ccc(C)cc34)CC2)c1
e) O=C(O)c1sccc1S(=O)(=O)N1CCOCC1
Answer: a. CC1CCCCC1NC1CCN(C)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#}
CC1CCCCC1NC1CCN(C)CC1
CC1CCCCC1NC1CCN(C)CC1
1-methyl-N-(2-methylcyclohexyl)piperidin-4-amine