Problem statement: Answer the multiple choice question.
Question: Which compound has a 12.895\% 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: O=C(CCNS(=O)(=O)c1cccc2nsnc12)NC1CCCc2ccccc21
b: CC[n+]1c(S(=O)(=O)[O-])ccc2ccc(C)cc21
c: O=C(CCCCl)NC(=S)Nc1cc(C(F)(F)F)ccc1N1CCOCC1
d: CCc1ccccc1N1CC23C=CC(O2)C(C(=O)O)C3C1=O
Answer: b. CC[n+]1c(S(=O)(=O)[O-])ccc2ccc(C)cc21
{#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#}
CC[n+]1c(S(=O)(=O)[O-])ccc2ccc(C)cc21
CC[n+]1c(S(=O)(=O)[O-])ccc2ccc(C)cc21
1-ethyl-7-methylquinolin-1-ium-2-sulfonate