Task: Please answer the multiple choice question.
Question: Which molecules are 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 CC1(C)[C@H](Nc2c(C(N)=O)cnn3cc(-c4ccc(F)nc4)cc23)CC[C@]1(C)N
b CNC(=O)CSc1ccc(NC(=O)c2ccc(C3=NCCN3C)cc2)c(C(=O)Nc2ccc(Cl)cn2)c1
c O=C(C1CC(Oc2ccc(F)cc2)CN1)N1CCCN(C2CCCC2)CC1
d [NH3+][C@H]1CN(c2cnc3nccnc3n2)CC[C@@H]1c1cc(F)c(F)cc1F
Answer: 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}
[(3R,4R)-1-pyrazino[2,3-b]pyrazin-3-yl-4-(2,4,5-trifluorophenyl)piperidin-3-yl]azanium