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 additional words.
Options:
a: N#Cc1cncc(-c2cnc3nc(N4CCC(N5CCCCC5)CC4)sc3c2)c1
b: Cn1cc(Cl)c(C(=O)N2CCN(CC(=O)c3ccc(F)cc3)CC2)n1
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}
2-[4-(4-chloro-1-methylpyrazole-3-carbonyl)piperazin-1-yl]-1-(4-fluorophenyl)ethanone