Task: Answer the multiple choice question.
Question: Which compound has a 2.380\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Cc1cc(C)c2nc(N3C(=O)C(O)=C(C(=O)c4ccco4)C3c3cccc(O)c3)sc2c1
b CCOC(=O)N1CCN(c2nc3ccc(C(=O)c4ccccc4)cc3n3cnnc23)CC1
c CCN(CC)c1ccc2c(Cl)cc(=O)oc2c1
d COc1ccc(-c2[nH]c(-c3ccc(C)cc3)nc2SCC(=O)NCc2ccco2)cc1OC
Answer: c. CCN(CC)c1ccc2c(Cl)cc(=O)oc2c1
{#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#}
CCN(CC)c1ccc2c(Cl)cc(=O)oc2c1
CCN(CC)c1ccc2c(Cl)cc(=O)oc2c1
4-chloro-7-(diethylamino)chromen-2-one