Task: Answer the multiple-choice question.
Question: Which compound has a 21.735\% 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: O=C(NCCCN1CCOCC1)c1cc(C(=O)C2CC2)c[nH]1
b: CCOC(=O)C(C)n1cnc2sc3c(c2c1=O)CCC3
c: CSC1=NCCN1C(=O)c1ccc2c(c1)OCO2
Answer: a. O=C(NCCCN1CCOCC1)c1cc(C(=O)C2CC2)c[nH]1
{#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#}
4-(cyclopropanecarbonyl)-N-(3-morpholin-4-ylpropyl)-1H-pyrrole-2-carboxamide