Task: Answer the multiple-choice question.
Question: Which compound exhibits a -0.311\% 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, d, or e without using any other words.
Options:
a: Cc1ccc(NC(=S)NNC(=S)NCc2ccccc2)cc1
b: O=C(Nc1cccc(C(F)(F)F)c1)c1cc2c(=O)c3ccccc3oc2nc1C(F)(F)F
c: COc1ccc(C2C3=C(N=C4SCC(=O)N42)c2ccccc2CC3)cc1
d: COc1cccc(C2CC(c3ccccc3)=NN2S(=O)(=O)c2ccccc2)c1OC
e: CCn1c(Oc2ccccc2F)nc2c1c(=O)n(C)c(=O)n2C
Answer: b. O=C(Nc1cccc(C(F)(F)F)c1)c1cc2c(=O)c3ccccc3oc2nc1C(F)(F)F
{#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#}
O=C(Nc1cccc(C(F)(F)F)c1)c1cc2c(=O)c3ccccc3oc2nc1C(F)(F)F
O=C(Nc1cccc(C(F)(F)F)c1)c1cc2c(=O)c3ccccc3oc2nc1C(F)(F)F
5-oxo-2-(trifluoromethyl)-N-[3-(trifluoromethyl)phenyl]chromeno[2,3-b]pyridine-3-carboxamide