Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: N#Cc1ccc(Cn2cncc2C[NH2+][C@H]2CCN(c3ccncc3)C2=O)cc1
b: CC(C)(O)[C@H]1C=CC([C@H](c2cc[n+]([O-])cc2)c2ccc(OC(F)F)c(OC(F)F)c2)=CN1
c: Fc1ccc2c([C@@H]3C[NH2+]CC[C@@H]3F)c(C3=CNC=CC3)[nH]c2c1
d: N=c1nc(N)c(NCO)c(N)n1O
Answer: a, b, c
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}
[3-[(4-cyanophenyl)methyl]imidazol-4-yl]methyl-[(3S)-2-oxidanylidene-1-pyridin-4-yl-pyrrolidin-3-yl]azanium