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. CC(O)(c1ccccc1)c1ccc(C(Cc2cc[n+]([O-])cc2)c2ccc(OC(F)F)c(OC(F)F)c2)cn1
b. Cc1cccc2nc(C)n(-c3ccc(OC4CCN(C5CCC5)CC4)cc3)c(=O)c12
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}
1-[5-[1-[3,4-bis(difluoromethoxy)phenyl]-2-(1-oxidopyridin-1-ium-4-yl)ethyl]pyridin-2-yl]-1-phenylethanol