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 additional words.
Options:
a.) O=C(O)[C@H](Cc1ccc(F)cc1)N1CCC(CN2CCC(Oc3ccc(Cl)c(Cl)c3)CC2)CC1
b.) CC(C)(C)OC(=O)NCCN1CC2CN(CCNS(=O)(=O)c3ccc(F)cc3)CC(C1)O2
c.) Cc1cc(N2CCC(N3CCCC3C)C2)ccc1NC(=O)c1ccccc1F
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}
tert-butyl N-[2-[7-[2-[(4-fluorophenyl)sulfonylamino]ethyl]-9-oxa-3,7-diazabicyclo[3.3.1]nonan-3-yl]ethyl]carbamate