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] CN(Cc1ccc(C(F)(F)F)nc1)c1cc(C(=O)Nc2nncs2)ncn1
[b] O[C@]1(c2ccc(F)c(F)c2)CCNC[C@@H]1c1cc(-c2c(Cl)cccc2Cl)on1
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}
6-[methyl-[[6-(trifluoromethyl)pyridin-3-yl]methyl]amino]-N-(1,3,4-thiadiazol-2-yl)pyrimidine-4-carboxamide