Task: Answer the MCQ question.
Question: Which drug exhibits a 0.694\% 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. Cc1cnc(C(=O)Nc2nc(-c3ccccc3)cs2)cn1
b. COc1cccc(C(=O)C2CCCN(C(=O)c3ccc(C#CC(C)(C)O)cc3)C2)c1
c. Cc1ccc(O)c(C(=O)c2cnc3c(c2)CN(C)C(=O)N3)c1
d. CCOC(=O)c1cc2oc(C(c3nnnn3C3CCCCC3)N3CCOCC3)cc2[nH]1
Answer: d. CCOC(=O)c1cc2oc(C(c3nnnn3C3CCCCC3)N3CCOCC3)cc2[nH]1
{#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#}
CCOC(=O)c1cc2oc(C(c3nnnn3C3CCCCC3)N3CCOCC3)cc2[nH]1
CCOC(=O)c1cc2oc(C(c3nnnn3C3CCCCC3)N3CCOCC3)cc2[nH]1
ethyl 2-[(1-cyclohexyltetrazol-5-yl)-morpholin-4-ylmethyl]-4H-furo[3,2-b]pyrrole-5-carboxylate