Task: Answer the MCQ question.
Question: Which drug exhibits a 16.663\% 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.) CC1Cc2ccccc2N1C(=O)Cc1cccs1
b.) Cn1c(C2CC(=O)N(Cc3ccccc3)C2)nc2ccccc21
c.) Cl.O=C(NCc1ccccc1)N1CCNCC1
d.) O=C(Cc1ccccc1F)NCC1(N2CCOCC2)CCCCC1
e.) ON1C2CCCCC2N(O)C1c1ccccc1F
Answer: e. ON1C2CCCCC2N(O)C1c1ccccc1F
{#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#}
ON1C2CCCCC2N(O)C1c1ccccc1F
ON1C2CCCCC2N(O)C1c1ccccc1F
2-(2-fluorophenyl)-1,3-dihydroxy-3a,4,5,6,7,7a-hexahydro-2H-benzimidazole