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) Cc1nc(-c2ccncn2)sc1-c1ccc2cc(CCN3CCCC3C)ccc2n1
b) CC(C)(C)c1cc(C(=O)O)c(NC(=O)Nc2ccc3[nH]ncc3c2)s1
Answer: 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}
5-tert-butyl-2-(1H-indazol-5-ylcarbamoylamino)thiophene-3-carboxylic acid