Task: Answer the multiple choice question.
Question: Which drug has a 8.344\% 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 CCCCNC(=O)CCc1c(C)nc2nc(-c3cc(OC)cc(OC)c3)nn2c1C
b CCOC(=O)C(C)Oc1cccc2c(=O)n(CC(=O)N3CCc4ccccc43)ccc12
c NC(=O)NC(CC(=O)NNC(=O)c1ccccn1)c1ccc(Cl)cc1
d COc1ccc(C(=O)C2(C)N(O)C(C)C(c3cccs3)=[N+]2[O-])cc1
Answer: a. CCCCNC(=O)CCc1c(C)nc2nc(-c3cc(OC)cc(OC)c3)nn2c1C
{#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#}
CCCCNC(=O)CCc1c(C)nc2nc(-c3cc(OC)cc(OC)c3)nn2c1C
CCCCNC(=O)CCc1c(C)nc2nc(-c3cc(OC)cc(OC)c3)nn2c1C
N-butyl-3-[2-(3,5-dimethoxyphenyl)-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]propanamide