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: Fc1ccc2cc(CCN3CCNCC3)ccc2c1
b: CNC(=O)c1ccc(Oc2ccc(S(=O)(=O)C3(C(=O)NO)CCC4(CCNCC4)C3)cc2)cc1
c: [NH3+][C@H]1C[n+]2c([nH]c3cnc(F)cc32)C[C@@H]1c1cc(F)c(F)cc1F
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}
1-[2-(6-fluoronaphthalen-2-yl)ethyl]piperazine