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 other words.
Options:
a. O=C(CNC(=O)c1cccc(C(F)(F)F)c1)NC1CN(C2CCC(c3ccc4nc[nH]c4c3)CC2)C1
b. CN1CCN(c2ncc3cc(-c4ccccc4)c(-c4ccc(CN5CCC(c6nc(-c7ncccn7)n[nH]6)CC5)cc4)nc3n2)CC1
c. N#Cc1cc(OC(F)(F)F)cc(-c2nc(-c3ccc4c(c3)CCN4C(=O)CCC(=O)O)no2)c1
d. CCC(C)n1ncn(-c2ccc(N3CCN(c4ccc(OC[C@H]5CO[C@](Cn6cncn6)(c6ccc(Cl)cc6Cl)O5)cc4)CC3)cc2)c1=O
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}
4-[5-[5-[3-cyano-5-(trifluoromethoxy)phenyl]-1,2,4-oxadiazol-3-yl]-2,3-dihydroindol-1-yl]-4-oxobutanoic acid