Task: Answer the MCQ question.
Query: Which compound exhibits a 13.577\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)CCCCCCCCCCNC(=O)Cn3cc(C[C@@H](C)O)nn3)CC2)nc(N2CCN(C(=O)CCCCCCCCCCNC(=O)[C@H](CO)n3cc(CCCSC)nn3)CC2)n1
b CC(C)[C@H](NC(=O)NCc1ccc(F)cc1)C(=O)O
c O=C(NCCc1c[nH]c2ccccc12)C(=O)NCC1OCCN1S(=O)(=O)c1cc(F)ccc1F
d CC1CCCN(S(=O)(=O)c2ccc(NC(=O)Cc3ccc(S(=O)(=O)N4CCOCC4)s3)cc2)C1
e CCOC(=O)CN1C(=O)S/C(=C/c2ccc(OC)c([N+](=O)[O-])c2)C1=O
Answer: b. CC(C)[C@H](NC(=O)NCc1ccc(F)cc1)C(=O)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#}
CC(C)[C@H](NC(=O)NCc1ccc(F)cc1)C(=O)O
CC(C)[C@H](NC(=O)NCc1ccc(F)cc1)C(=O)O
(2S)-2-[(4-fluorophenyl)methylcarbamoylamino]-3-methylbutanoic acid