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) Cc1ccc(Oc2ccnc3cc(-c4cnn(C5CCNCC5)c4)ccc23)cc1
(b) COc1ccc2ncc(=O)n(CCN3CC[C@H](NCc4cc5c(cn4)OCCO5)[C@@H](OC)C3)c2c1
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}
1-[2-[(3S,4S)-4-(2,3-dihydro-[1,4]dioxino[2,3-c]pyridin-7-ylmethylamino)-3-methoxypiperidin-1-yl]ethyl]-7-methoxyquinoxalin-2-one