Task: Answer the multiple-choice question.
Question: Which compound exhibits a 3.974\% 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 or b without using any other words.
Options:
a. O=S(=O)(/N=C(\c1ccc(Cl)cc1)N1CCOCC1)c1ccccc1
b. C[C@H](NC(=O)Nc1ccc2c(c1)OCCO2)C(=O)O
Answer: a. O=S(=O)(/N=C(\c1ccc(Cl)cc1)N1CCOCC1)c1ccccc1
{#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#}
O=S(=O)(/N=C(\c1ccc(Cl)cc1)N1CCOCC1)c1ccccc1
O=S(=O)(/N=C(\c1ccc(Cl)cc1)N1CCOCC1)c1ccccc1
(NE)-N-[(4-chlorophenyl)-morpholin-4-ylmethylidene]benzenesulfonamide