Problem statement: Answer the multiple-choice question.
Query: Which compound has a 19.376\% 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) Cc1ccc(CN2CCN(C(=O)CCC(=O)Nc3nnc(C(C)C)s3)CC2)c(C)c1
(b) O=C(NC1=NCCS1)c1ccc(Cl)s1
(c) CCCc1cc(NCCCO)n2c(nc3ccccc32)c1C#N
(d) Oc1ccc(Cl)cc1Cc1cc(Cl)ccc1O
Answer: b. O=C(NC1=NCCS1)c1ccc(Cl)s1
{#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#}
O=C(NC1=NCCS1)c1ccc(Cl)s1
O=C(NC1=NCCS1)c1ccc(Cl)s1
5-chloro-N-(4,5-dihydro-1,3-thiazol-2-yl)thiophene-2-carboxamide