Task: Answer the multiple-choice question.
Query: Which drug exhibits a -5.320\% 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) CCOCCCNC(=O)C(NC(=O)c1ccccc1O)c1ccc(C)cc1
(b) CC(C)(C)n1nc2c(c1NC(=O)c1cccs1)CS(=O)C2
(c) C[C@](N)(CCP(=O)(O)O)C(=O)O.Cl
(d) CCOC(=O)Cn1ncc2c(=O)oc3ccccc3c21
Answer: c. C[C@](N)(CCP(=O)(O)O)C(=O)O.Cl
{#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#}
C[C@](N)(CCP(=O)(O)O)C(=O)O.Cl
C[C@](N)(CCP(=O)(O)O)C(=O)O.Cl
(2S)-2-amino-2-methyl-4-phosphonobutanoic acid;hydrochloride