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.) NC1=N[C@@]2(CO1)c1cc(-c3cccnc3F)ccc1Oc1ncc(C3CCOCC3)cc12
b.) O=C(C1CCC1)N(Cc1ccccc1C(F)(F)F)[C@H]1CCNC1
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}
(4S)-7'-(2-fluoropyridin-3-yl)-3'-(oxan-4-yl)spiro[5H-1,3-oxazole-4,5'-chromeno[2,3-b]pyridine]-2-amine