Task: Answer the MCQ question.
Question: Which drug has a -2.691\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) CCCCc1cc(=O)oc2cc(OC(C)C(=O)NCc3ccccn3)c(Cl)cc12
b) Clc1ccccc1OCc1nnc(-c2ccccc2Br)o1
c) CCOc1ccc(-n2nnnc2-c2nc3ccccc3s2)cc1
Answer: a. CCCCc1cc(=O)oc2cc(OC(C)C(=O)NCc3ccccn3)c(Cl)cc12
{#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#}
CCCCc1cc(=O)oc2cc(OC(C)C(=O)NCc3ccccn3)c(Cl)cc12
CCCCc1cc(=O)oc2cc(OC(C)C(=O)NCc3ccccn3)c(Cl)cc12
2-(4-butyl-6-chloro-2-oxochromen-7-yl)oxy-N-(pyridin-2-ylmethyl)propanamide