Problem statement: Answer the MCQ question.
Query: Which compound has a 10.269\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(c1ccccc1)c1cc2ccccc2oc1=O
[b] CC(C)C1Cc2nc(Cl)c(C#N)cc2CO1
[c] COC(=O)c1sc(NC(=O)c2c(C)noc2C)nc1C
[d] Cc1cccc(NS(=O)(=O)c2cc(C(=O)N3CCc4ccccc4C3)ccc2Cl)c1C
Answer: a. O=C(c1ccccc1)c1cc2ccccc2oc1=O
{#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(c1ccccc1)c1cc2ccccc2oc1=O
O=C(c1ccccc1)c1cc2ccccc2oc1=O
3-benzoylchromen-2-one