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, or c without using any other words.
Options:
[a] COc1cccc(C23CC2CN(CCCSc2nnc(-c4ocnc4C)n2C)C3)c1
[b] COc1ccc2ncc(F)c([C@H](O)CN3CCC(NCc4cc5c(cn4)OCCO5)CC3)c2n1
[c] CCOC(=O)N1CCC(O)(CN2CC[C@H](N3C(=O)Cc4ccccc43)C2)CC1
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}
(1S)-2-[4-(2,3-dihydro-[1,4]dioxino[2,3-c]pyridin-7-ylmethylamino)piperidin-1-yl]-1-(3-fluoro-6-methoxy-1,5-naphthyridin-4-yl)ethanol