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 additional words.
Options:
a.) [NH3+][C@H]1CN(c2cnc3nccnc3n2)CC[C@@H]1c1cc(F)c(F)cc1F
b.) CN([C@H]1c2cc(OCCCC(F)(F)F)ccc2OC(C)(C)[C@@H]1O)S(C)(=O)=O
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}
[(3R,4R)-1-pyrazino[2,3-b]pyrazin-3-yl-4-(2,4,5-trifluorophenyl)piperidin-3-yl]azanium