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) Cc1cn(-c2ccc(-c3cn(CC(=O)Nc4cccc(Cl)c4Cl)nn3)cc2F)cn1
(b) CNC(=O)N1CCC(C2N[C@@H](c3nc(-c4ccccc4)c[nH]3)Cc3c2[nH]c2ccccc32)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}
N-methyl-4-[(3R)-3-(4-phenyl-1H-imidazol-2-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl]piperidine-1-carboxamide