Task: Please answer the multiple choice question.
Question: Which molecules are not 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 additional words.
Options:
a: CCOC(=O)Nc1cccc([C@@H](c2ccc(C(=O)N(C)CC)cc2)N2CCN(Cc3[nH]cnc3C)CC2)c1
b: CCOC(=O)[C@H]1[C@@H](OC(=O)c2ccccc2)C[C@H]2CC[C@H]1N2C
Answer: a
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}
ethylN-[3-[(R)-[4-[ethyl(methyl)carbamoyl]phenyl]-[4-[(4-methyl-1H-imidazol-5-yl)methyl]piperazin-1-yl]methyl]phenyl]carbamate