Task: Answer the MCQ question.
Question: Which compound exhibits a 7.880\% 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 CCCCC(=O)NC(c1ccccc1)c1ccc2cccnc2c1O
b Cc1cc([N+](=O)[O-])ccc1NC(=O)c1sc2ncn(CC(=O)N3CCOCC3)c(=O)c2c1C
c NCCCC[C@H]1CN=C(N)N1CCCCC1CCCCC1
d CCOC(=O)COc1c(OC)cc(Cl)cc1C1NC(=O)NC(C)=C1C(C)=O
Answer: a. CCCCC(=O)NC(c1ccccc1)c1ccc2cccnc2c1O
{#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#}
CCCCC(=O)NC(c1ccccc1)c1ccc2cccnc2c1O
CCCCC(=O)NC(c1ccccc1)c1ccc2cccnc2c1O
N-[(8-hydroxyquinolin-7-yl)-phenylmethyl]pentanamide