Task: Answer the multiple-choice question.
Question: Which compound exhibits a 13.235\% 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, or c without using any additional words.
Options:
a) CC(c1ccco1)N(C(=O)c1ccc(Cl)s1)c1ccccn1
b) Cc1nnc(SCC(=O)N2CCOCC2)n1C
c) c1ccn2c(c1)nc1c2nc2ccccn21
Answer: c. c1ccn2c(c1)nc1c2nc2ccccn21
{#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#}
c1ccn2c(c1)nc1c2nc2ccccn21
c1ccn2c(c1)nc1c2nc2ccccn21
2,8,10,16-tetrazatetracyclo[7.7.0.02,7.010,15]hexadeca-1(9),3,5,7,11,13,15-heptaene