Problem statement: Answer the MCQ question.
Query: Which compound has a 3.103\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) CCOC(=O)C(=CNc1cccc(C)n1)C(=O)OCC
b.) Cc1cc(C)n(-c2ccc(S(=O)(=O)N3CCOCC3)cc2[N+](=O)[O-])n1
c.) O=C(CSc1ccc2nnc(CCNS(=O)(=O)c3ccccc3)n2n1)Nc1nc2ccccc2s1
Answer: a. CCOC(=O)C(=CNc1cccc(C)n1)C(=O)OCC
{#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)C(=CNc1cccc(C)n1)C(=O)OCC
CCOC(=O)C(=CNc1cccc(C)n1)C(=O)OCC
diethyl 2-[[(6-methylpyridin-2-yl)amino]methylidene]propanedioate