Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCN(C)C(=O)Oc1cccc([C@H](C)[NH+](C)C)c1
b O=C(NC1CCN(Cc2ccc3c(c2)OC(F)(F)O3)CC1)c1cc(=O)c2ccc(F)cc2o1
c COc1cc(N[C@H](C)CCCN)c2ncccc2c1
d CCN(C)C(=O)Oc1cccc([C@H](C)[NH+](C)C)c1
Answer: a, 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}