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] COc1ccc2ncc(F)c(CCN3CC[C@@H](NCc4cc5c(cn4)OCCO5)[C@H](O)C3)c2n1
[b] O=c1ccc(-c2nc3cc(Cl)c(Cl)cc3n2Cc2ccc(Cl)c(Cl)c2)c[nH]1
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)-4-(2,3-dihydro-[1,4]dioxino[2,3-c]pyridin-7-ylmethylamino)-1-[2-(3-fluoro-6-methoxy-1,5-naphthyridin-4-yl)ethyl]piperidin-3-ol