Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C([C@@H](O)C1CC1)N1CC(c2cc(F)ccc2F)=C[C@H]1c1cccc(O)c1
b. CC(C)Oc1ccc(-c2cc3c(N[C@@H]4CC[C@](C)(N)C4(C)C)c(C(N)=O)cnn3c2)cn1
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}
(2S)-2-cyclopropyl-1-[(2S)-4-(2,5-difluorophenyl)-2-(3-hydroxyphenyl)-2,5-dihydropyrrol-1-yl]-2-hydroxyethanone