Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: Fc1ccc(CN(C2CCOCC2)[C@H]2CCNC2)c(F)c1F
b: CCCCCCCN(CC)CC#CCCc1ccccc1
c: Cc1cc(OC2CCN(CC3CCN([C@@](C)(Cc4ccc(F)cc4)C(=O)O)CC3)CC2)ccc1Cl
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}
N-ethyl-N-(5-phenylpent-2-ynyl)heptan-1-amine