Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) c1ccc(Nc2nc(-c3cn[nH]c3)cs2)nc1
(b) Cc1cc(-c2cc3c(c(F)n2)Oc2ccc(-c4cccnc4F)cc2[C@@]32COC(N)=N2)ccn1
Answer: a, 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}
(4S)-1'-fluoro-7'-(2-fluoropyridin-3-yl)-3'-(2-methylpyridin-4-yl)spiro[5H-1,3-oxazole-4,5'-chromeno[2,3-c]pyridine]-2-amine