Task: Answer the MCQ question.
Query: Which compound exhibits a 4.255\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) COc1cnc(SCCC(F)=C(F)F)[nH]c1=O
(b) Cc1nnc(SCc2cc(=O)[nH]c(N3CCN(Cc4ccccc4)CC3)n2)s1
(c) Cc1cc[n+](-c2[nH]c(=O)sc2/C=N/N=C(\[O-])c2ccccc2)cc1
(d) O=C1CN(C(=O)CSc2nnc(-c3ccccc3)n2Cc2ccc3c(c2)OCO3)c2ccccc2N1
(e) COc1ccc(CNC(=O)C2CCN(S(=O)(=O)c3ccc4nc5c(c(C(=O)O)c4c3)CC(C)CC5)CC2)cc1
Answer: b. Cc1nnc(SCc2cc(=O)[nH]c(N3CCN(Cc4ccccc4)CC3)n2)s1
{#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#}
Cc1nnc(SCc2cc(=O)[nH]c(N3CCN(Cc4ccccc4)CC3)n2)s1
Cc1nnc(SCc2cc(=O)[nH]c(N3CCN(Cc4ccccc4)CC3)n2)s1
2-(4-benzylpiperazin-1-yl)-4-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1H-pyrimidin-6-one