Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: O=C(OCc1ccccc1)N1CCC(CNc2cnccn2)CC1
b: CN[C@@H](C)C(=O)N[C@@H]1C(=O)N(Cc2c(C)ccc3ccccc23)c2ccc(C#N)cc2N(C(C)=O)[C@H]1C.Cl
c: Cc1noc(Cn2nc3ccc(-c4ccc(OC(F)(F)F)cc4)cn3c2=O)n1
Answer: a
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}
benzyl 4-[(pyrazin-2-ylamino)methyl]piperidine-1-carboxylate