Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 3.189\% 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 other words.
Options:
[a] CCOC(=O)c1sc2nc(CN3CCCCC3)nc(Cl)c2c1C
[b] CC(=O)Nc1c([N+](=O)[O-])cc2[nH]c(=O)[nH]c2c1[N+](=O)[O-]
[c] Cc1ncc(CN2CCC(CO)(Cc3ccccc3)CC2)s1
[d] O=S(=O)(c1ccc(OCC(O)CN2CCN(c3ccc(F)cc3)CC2)cc1)N1CCOCC1
Answer: a. CCOC(=O)c1sc2nc(CN3CCCCC3)nc(Cl)c2c1C
{#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#}
CCOC(=O)c1sc2nc(CN3CCCCC3)nc(Cl)c2c1C
CCOC(=O)c1sc2nc(CN3CCCCC3)nc(Cl)c2c1C
ethyl 4-chloro-5-methyl-2-(piperidin-1-ylmethyl)thieno[2,3-d]pyrimidine-6-carboxylate