Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccnc(-c2nnc3n2C[C@H](C)N(C(=O)c2cccc(Cl)c2Cl)C3)c1
b: NC1=N[C@@]2(CO1)c1cc(-c3cccnc3F)ccc1Oc1c(F)cc(C3=CCOCC3)cc12
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
(4S)-2'-(3,6-dihydro-2H-pyran-4-yl)-4'-fluoro-7'-(2-fluoropyridin-3-yl)spiro[5H-1,3-oxazole-4,9'-xanthene]-2-amine