Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CC(C)[NH2+]CC(O)COc1cccc2ccccc12
[b] CC(C)(C)NC[C@H](O)c1cc(Cl)c(N)c(Cl)c1
[c] CNCC[C@H](Oc1ccc(C(F)(F)F)cc1)c1ccccc1
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}