Task: Answer the MCQ question.
Query: Which compound exhibits a 21.876\% 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] O=C(Cn1nnc(-c2cccs2)n1)N1c2ccccc2Sc2ccc(C(F)(F)F)cc21
[b] Cc1ccc2c(c1)C1CCCC3C1N2CC(=O)N3Cc1ccccc1
[c] Cc1csc(SCc2ccc(C(=O)O)cc2)n1
[d] S=C(c1ccc(N2CCOCC2)cc1)N1CCCCC1
Answer: d. S=C(c1ccc(N2CCOCC2)cc1)N1CCCCC1
{#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#}
S=C(c1ccc(N2CCOCC2)cc1)N1CCCCC1
S=C(c1ccc(N2CCOCC2)cc1)N1CCCCC1
(4-morpholin-4-ylphenyl)-piperidin-1-ylmethanethione