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 other words.
Options:
a C[NH+](C)CCOC(c1ccccc1)c1ccccc1
b CCCCCCC[N+](CC)(CC)CCCCc1ccc(Cl)cc1.Cc1ccc(S(=O)(=O)[O-])cc1
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}
2-benzhydryloxyethyl(dimethyl)azanium