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 or b without using any other words.
Options:
a. Cc1ncoc1-c1nnc(SCCCN2CCc3ccc4nc(C(C)(F)F)oc4c3CC2)n1C
b. Nc1cnc(COc2ccc(C3(c4ccc(-c5nnco5)nc4)CCCO3)cc2)cn1
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}
5-[[4-[2-[6-(1,3,4-oxadiazol-2-yl)pyridin-3-yl]oxolan-2-yl]phenoxy]methyl]pyrazin-2-amine