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: Cc1cc(Nc2cc(NC(=O)c3c(Cl)cccc3Cl)ccn2)nc(N)n1
b: O=C([O-])C1=C[N+](C2CC2)=C2C=C(N3CC[NH2+]CC3)C(F)=C[C@H]2C1=O
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}
(4aR)-1-cyclopropyl-6-fluoranyl-4-oxidanylidene-7-piperazin-4-ium-1-yl-4aH-quinolin-1-ium-3-carboxylate