Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) CCC(=O)OC1CCC2C3CCC4=CC(=O)CC[C@@]4(C)C3CC[C@]12C
b) O=C(NC1CCc2ccccc2C1)N1CCC(c2nc(-c3ccccn3)no2)CC1
c) Cc1ncc(-c2nc(Nc3ccc(C(N)=O)cc3)ncc2F)n1C(C)C
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}
4-(3-pyridin-2-yl-1,2,4-oxadiazol-5-yl)-N-(1,2,3,4-tetrahydronaphthalen-2-yl)piperidine-1-carboxamide