Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -4.580\% 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: CCCCC(=O)OCc1nc(N)nc(Nc2ccccc2C)n1
b: COc1cc(NC(=O)CN(C)S(=O)(=O)c2ccc3c(c2)CC(C)N3C(C)=O)cc(OC)c1
c: CCN1CCN(Cc2oc(CO)cc(=O)c2O)CC1
d: CCN(CC)CCCn1c2c(c(SCC(=O)Nc3cc(OC)cc(OC)c3)nc1=O)CCC2
e: O=C(O)c1cc2ncc(-c3[nH]ncc3[N+](=O)[O-])cn2n1
Answer: c. CCN1CCN(Cc2oc(CO)cc(=O)c2O)CC1
{#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#}
CCN1CCN(Cc2oc(CO)cc(=O)c2O)CC1
CCN1CCN(Cc2oc(CO)cc(=O)c2O)CC1
2-[(4-ethyl-1,4-diazinan-1-yl)methyl]-3-hydroxy-6-(hydroxymethyl)pyran-4-one