Task: Answer the multiple choice question.
Query: Which compound exhibits a 8.365\% 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 additional words.
Options:
a.) CCCCCCCCCCCCN1[C@@H](CC(=O)O)c2cc(F)ccc2S1(=O)=O
b.) Cl.NCCS
c.) O=C(NC(=S)Nc1ccccc1)c1cc([N+](=O)[O-])ccc1N1CCOCC1
d.) CCOc1ccc2[nH]c(=O)c(CN(CCc3ccccc3)C(=O)N3CCOCC3)cc2c1
Answer: b. Cl.NCCS
{#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#}
Cl.NCCS
Cl.NCCS
2-aminoethanethiol;hydrochloride