Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COc1ccc(-c2ccc3c(N4CCOCC4)nc(N4C[C@H](C)O[C@@H](C)C4)nc3n2)cc1CNCCO
(b) Cc1nsc(-c2nnc3n2CCN(C(=O)c2ccc(F)c(F)c2F)[C@@H]3C)n1
(c) O=[N+]([O-])c1ccc(CCN2CCN(CCc3ccc(F)cc3)CC2)cc1
Answer: c
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-(4-fluorophenyl)ethyl]-4-[2-(4-nitrophenyl)ethyl]piperazine