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. Cc1nc(Nc2nc3cnc(N4CCN(C)CC4)cc3[nH]2)cc(C2CC2)c1F
b. O=C(c1ccc(CN2CCOCC2)cc1)N1CCN(C2CC2)CC1
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}
(4-cyclopropylpiperazin-1-yl)-[4-(morpholin-4-ylmethyl)phenyl]methanone