Problem statement: Answer the multiple-choice question.
Question: Which compound has a 5.274\% 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 other words.
Options:
[a] O=C(OCCc1cc2ccccc2c(=O)o1)c1ccco1
[b] CCOC(=O)c1c(C)[nH]c(C(=O)CN2C(=O)NC(C)(CC(C)C)C2=O)c1C
[c] CCOC(=O)c1c(C)n(Cc2ccccc2)c2ccc(OCC(O)CNC(CO)(CO)CO)cc12
[d] CCCN1CCN(C(=O)CCc2nnc3ccc(N4CCN(c5cccc(OC)c5)CC4)nn23)CC1
Answer: a. O=C(OCCc1cc2ccccc2c(=O)o1)c1ccco1
{#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(OCCc1cc2ccccc2c(=O)o1)c1ccco1
O=C(OCCc1cc2ccccc2c(=O)o1)c1ccco1
2-(1-oxoisochromen-3-yl)ethylfuran-2-carboxylate