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 C[C@@]1(c2cc(-c3cncnc3)c(F)cc2F)CCSC(N)=N1
b CN(C)CCCn1nc(C2=C(c3cn(-c4ccc5ccncc5c4)c4ccccc34)C(=O)NC2=O)c2ccccc21
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}
3-[1-[3-(dimethylamino)propyl]indazol-3-yl]-4-(1-isoquinolin-7-ylindol-3-yl)pyrrole-2,5-dione