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. Nc1ccc(-c2cccs2)cc1NC(=O)c1ccc(N2CCC3(CC2)NCNC3=O)nc1
b. O=C(O[C@@H]1COc2nc([N+](=O)[O-])cn2C1)N1CCN(c2ccc(OC(F)(F)F)cc2)CC1
c. COc1c(N2CCC(C(C)N)C2)c(F)cc2c(=O)c(C(=O)O)cn(C3CC3)c12
d. O=C1COc2cc(OC(=O)c3ccccc3)c(CNC34CCC(C[C@]5(O)Cn6c(=O)ccc7ncc(F)c5c76)(CC3)OC4)nc2N1
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}
[(6S)-2-nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-yl] 4-[4-(trifluoromethoxy)phenyl]piperazine-1-carboxylate