Task: Answer the multiple choice question.
Question: Which compound has a 6.921\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COc1ccc(OCCNc2cc(N3CCCCC3)ccc2[N+](=O)[O-])cc1
[b] CCCc1cc(=O)oc2cc(C)cc(OC(C)C(=O)NCC(O)c3ccccc3)c12
[c] CCOc1ccc(S(=O)(=O)NC2CCCCC2C)cc1
Answer: b. CCCc1cc(=O)oc2cc(C)cc(OC(C)C(=O)NCC(O)c3ccccc3)c12
{#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#}
CCCc1cc(=O)oc2cc(C)cc(OC(C)C(=O)NCC(O)c3ccccc3)c12
CCCc1cc(=O)oc2cc(C)cc(OC(C)C(=O)NCC(O)c3ccccc3)c12
N-(2-hydroxy-2-phenylethyl)-2-(7-methyl-2-oxo-4-propylchromen-5-yl)oxypropanamide