Task: Answer the multiple-choice question.
Question: Which compound has a 1.390\% 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 additional words.
Options:
[a] CCOC(=O)C1=C(C)N=C2SCCC(=O)N2[C@@H]1c1cccs1
[b] Cc1ccc(/C=C/C(=O)OC(C)C(=O)NC2CCCCC2C)o1
[c] CC(=O)NC1=NN(C(C)=O)C2(S1)C(=O)N(C(C)C)c1ccc(C)cc12
[d] CCOC(=O)C1Cc2ccccc2CN1.Cl
Answer: d. CCOC(=O)C1Cc2ccccc2CN1.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#}
CCOC(=O)C1Cc2ccccc2CN1.Cl
CCOC(=O)C1Cc2ccccc2CN1.Cl
ethyl 1,2,3,4-tetrahydroisoquinoline-3-carboxylate;hydrochloride