Task: Answer the MCQ question.
Question: Which compound exhibits a 6.393\% 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: FC(F)(F)c1cnc(Oc2cccc3ccccc23)c(Cl)c1
b: O=C(CN(c1ccc(F)cc1)S(=O)(=O)c1ccccc1)N1CCOCC1
c: O=C(CNC(=O)c1ccncc1)N/N=C/c1cccc([N+](=O)[O-])c1
d: Cn1c(=O)c2c(nc(CN3CCN(c4ccccc4)CC3)n2CCCc2ccccc2)n(C)c1=O
Answer: a. FC(F)(F)c1cnc(Oc2cccc3ccccc23)c(Cl)c1
{#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#}
FC(F)(F)c1cnc(Oc2cccc3ccccc23)c(Cl)c1
FC(F)(F)c1cnc(Oc2cccc3ccccc23)c(Cl)c1
3-chloro-2-naphthalen-1-yloxy-5-(trifluoromethyl)pyridine