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, b, c, or d without using any additional words.
Options:
a: Cc1ccc2c(N3CCN(CCc4ccc5c(c4)NC(=O)CO5)CC3)cccc2n1
b: Cc1c(C(F)CN2CCN(C(=O)Cc3ccc(-n4cnnn4)nc3)CC2)ccc2c1COC2=O
c: O=C(Nc1ccc(F)cn1)[C@H](CN1CC(O)C1)Oc1ncnc2c1cnn2-c1c(F)cccc1Cl
d: CO[C@@H]1[C@H](N(C)C(=O)c2ccccc2)C[C@H]2O[C@]1(C)n1c3ccccc3c3c4c(c5c6ccccc6n2c5c31)C(=O)NC4
Answer: b, c, d
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}
5-[1-fluoro-2-[4-[2-[6-(tetrazol-1-yl)pyridin-3-yl]acetyl]piperazin-1-yl]ethyl]-4-methyl-3H-2-benzofuran-1-one