Task: Please answer the multiple choice question.
Question: Which molecules are 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 additional words.
Options:
[a] CC(O)C(=O)N1CC[C@H](N(Cc2cc(Cl)ccc2Cl)c2ccc(C#N)c(Cl)c2)C1
[b] O=C(O)[C@@H](CC1CCC1)N1C[C@H](CN2CCC(c3cnc4ccccn34)CC2)[C@@H](c2cccc(F)c2)C1
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}
4-[[2,5-bis(chloranyl)phenyl]methyl-[(3S)-1-(2-oxidanylpropanoyl)pyrrolidin-3-yl]amino]-2-chloranyl-benzenecarbonitrile