Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Fc1cccc(OC(F)F)c1CC(c1ccccc1)N1CCNCC1
(b) O=C(Cc1ccc(OCC[C@@H]2C[C@@H]2C2CCN(c3ncc(Cl)cn3)CC2)cc1)NC1CC1
Answer: a, 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}
1-[2-[2-(difluoromethoxy)-6-fluorophenyl]-1-phenylethyl]piperazine