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 or b without using any additional words.
Options:
a: CC(C)Oc1cc([C@@H](C2=CN[C@@H](C(O)(C(F)(F)F)C(F)(F)F)S2)c2ccc[n+]([O-])c2)ccc1OC(F)F
b: C[C@@H]([NH2+]C(C)(C)C)C(=O)c1cccc(Cl)c1
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}