Task: Answer the multiple choice question.
Query: Which drug exhibits a 2.644\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. Fc1ccc(OCCCCCCN2CCCC2)cc1
b. CCOCCCNC(=O)C(NC(=O)CNC(=O)c1ccccc1)c1ccccc1
c. COC(=O)c1ccc(NC(=O)Nc2ccccc2C)cc1
d. COc1ccc2cc(CN(Cc3cccnc3)Cc3nnnn3Cc3ccccc3)c(=O)[nH]c2c1
Answer: a. Fc1ccc(OCCCCCCN2CCCC2)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#}
Fc1ccc(OCCCCCCN2CCCC2)cc1
Fc1ccc(OCCCCCCN2CCCC2)cc1
[F][C][=C][C][=C][Branch1][#C][O][C][C][C][C][C][C][N][C][C][C][C][Ring1][Branch1][C][=C][Ring2][Ring1][C]
1-[6-(4-fluorophenoxy)hexyl]pyrrolidine