Task: Answer the multiple-choice question.
Question: Which compound exhibits a 1.616\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cc1oc2cc3oc(=O)c(CC(=O)N[C@H](C(=O)N[C@@H](C(=O)O)c4ccccc4)C(C)C)c(C)c3cc2c1C
b) COc1ccc(Br)cc1CN1CCCC(C(=O)N2CCCCCC2)C1.O=C(O)C(=O)O
Answer: a. Cc1oc2cc3oc(=O)c(CC(=O)N[C@H](C(=O)N[C@@H](C(=O)O)c4ccccc4)C(C)C)c(C)c3cc2c1C
{#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#}
Cc1oc2cc3oc(=O)c(CC(=O)N[C@H](C(=O)N[C@@H](C(=O)O)c4ccccc4)C(C)C)c(C)c3cc2c1C
Cc1oc2cc3oc(=O)c(CC(=O)N[C@H](C(=O)N[C@@H](C(=O)O)c4ccccc4)C(C)C)c(C)c3cc2c1C
(2R)-2-[[(2S)-3-methyl-2-[[2-(2,3,5-trimethyl-7-oxofuro[3,2-g]chromen-6-yl)acetyl]amino]butanoyl]amino]-2-phenylacetic acid