Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 15.629\% 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 additional words.
Options:
(a) CCOc1ccc(S(=O)(=O)c2c[nH]c3ccccc3c2=O)cc1
(b) COc1ccc(-c2cc(=O)oc(-c3cccc(C)c3)n2)cc1
(c) O=C(Nc1ccc2c(c1)OCO2)C(c1ccccc1)N1CCC2(CC1)OCCO2
(d) COC(=O)[C@@H](N)CS.Cl
Answer: d. COC(=O)[C@@H](N)CS.Cl
{#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#}
COC(=O)[C@@H](N)CS.Cl
COC(=O)[C@@H](N)CS.Cl
methyl (2R)-2-amino-3-sulfanylpropanoate;hydrochloride