Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 13.403\% 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) CCN(CC)S(=O)(=O)c1ccc(N2CCOCC2)c(NC(=O)c2cc(=O)[nH]c3ccccc23)c1
b) c1nc2sc3c(c2c2nnnn12)CCCC3
c) CNC(=O)CSc1nnc(-c2ccco2)n1-c1ccccc1
d) O=C(/C=C/c1cccc([N+](=O)[O-])c1)Nc1ccccc1N1CCOCC1
Answer: b. c1nc2sc3c(c2c2nnnn12)CCCC3
{#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#}
c1nc2sc3c(c2c2nnnn12)CCCC3
c1nc2sc3c(c2c2nnnn12)CCCC3
10-thia-3,4,5,6,8-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene