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] OCc1cn(-c2ccc(N3CCC(N4CCc5ccc(F)cc54)CC3)nn2)cn1
[b] COCc1c(Cl)ccc2c1CCC2c1ncc[nH]1
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}
2-[5-chloro-4-(methoxymethyl)-2,3-dihydro-1H-inden-1-yl]-1H-imidazole