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 or b without using any other words.
Options:
[a] COc1ccc(CC[NH+](C)CCCN(C(=O)c2ccc([N+](=O)[O-])cc2)c2ccc(OC)c(OC)c2)cc1OC
[b] O=C1CCCN1Cc1nc2ccccc2n1Cc1ccc(Cl)cc1
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-[[1-[(4-chlorophenyl)methyl]benzimidazol-2-yl]methyl]pyrrolidin-2-one