Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. C[C@H]([C@H](O)c1ccc2c(c1)CCC(=O)N2)N1CCC(O)(c2ccc(Cl)cc2)CC1
b. COC(c1ccccc1)(c1ccccc1)[C@H](Oc1nc(C)cc(C)n1)C(=O)O
c. NC1=N[C@@]2(CO1)c1cc(-c3cccnc3F)ccc1Oc1c2cc(-c2ccnc(F)c2)nc1F
d. O=C(Nc1nc2ccccc2n1CCN1CCOCC1)c1cccc([N+](=O)[O-])c1
e. CC(C(O)c1ccc2c(c1)COC(=O)N2)N1CCC(O)(c2ccc(F)cc2)CC1
Answer: b, c, d
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)-1'-fluoro-7'-(2-fluoropyridin-3-yl)-3'-(2-fluoropyridin-4-yl)spiro[5H-1,3-oxazole-4,5'-chromeno[2,3-c]pyridine]-2-amine