Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) C[NH+](C)CC/C=C1/c2ccccc2COc2ccccc21
b) CCN(CC)CCNC(=O)c1ccc(N)cc1
c) CNCC[C@@H](Oc1ccccc1C)c1ccccc1
d) CCN(CC)CC(=O)Nc1c(C)cccc1C
Answer: b, 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}