Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 1.536\% 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. CCC1CCCCN1C(=O)CSc1nc2c([nH]c3ccccc32)c(=O)n1C
b. CCCc1nnc(NC(=O)C2CCCO2)s1
c. O=C(N/N=C/c1ccccc1OC(F)F)C1=COCCO1
d. COc1ccc(C2(C(=O)Nc3cc(C)on3)CCOCC2)cc1
Answer: c. O=C(N/N=C/c1ccccc1OC(F)F)C1=COCCO1
{#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(N/N=C/c1ccccc1OC(F)F)C1=COCCO1
O=C(N/N=C/c1ccccc1OC(F)F)C1=COCCO1
N-[(E)-[2-(difluoromethoxy)phenyl]methylideneamino]-2,3-dihydro-1,4-dioxine-5-carboxamide