Task: Answer the multiple-choice question.
Question: Which compound exhibits a 11.878\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) Nc1nonc1-n1nnc(C(=O)N/N=C/c2c(Cl)cccc2Cl)c1CN1CCOCC1
b) c1ccc(-c2ccc3nnnn3n2)cc1
c) O=C(N/N=C/c1[nH]c2ccccc2c1Cl)c1cccc(Br)c1
d) CC(C)CC(C)NNC(=O)c1cc2ccccc2[nH]1
Answer: b. c1ccc(-c2ccc3nnnn3n2)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#}
c1ccc(-c2ccc3nnnn3n2)cc1
c1ccc(-c2ccc3nnnn3n2)cc1
6-phenyltetrazolo[1,5-b]pyridazine