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=C1CCc2c(Oc3ccc4c(c3)C[C@H](NC(=O)c3cc(-c5cnc[nH]5)cc(C(F)(F)F)c3)CC4)ccnc2N1
b: CCOC(=O)C(N)c1ccc(C(=O)Nc2cc(-c3cccs3)ccc2N)cc1
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}
3-(1H-imidazol-5-yl)-N-[(2R)-7-[(7-oxo-6,8-dihydro-5H-1,8-naphthyridin-4-yl)oxy]-1,2,3,4-tetrahydronaphthalen-2-yl]-5-(trifluoromethyl)benzamide