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, d, or e without using any other words.
Options:
a: C(CN1CCN(c2ccccc2)CC1)=C1CCCc2c1cnn2-c1ccccc1
b: Cc1nc2c(c(-c3ccc(Cl)cc3Cl)c1CN)CN(CCO)C2=O
c: O=[N+]([O-])c1ccc(CCN2CCN(CCc3ccc(-n4cnnn4)cc3)CC2)cc1
d: CN1CC2C(C1)C2CN(Cc1ccc(F)c(Cl)c1)C(=O)c1cn(C)cn1
e: CCCc1c(OCCCN2C(=O)Cc3cc(CC(=O)O)ccc32)ccc2c(C(F)(F)F)noc12
Answer: a, 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}
1-[2-(4-nitrophenyl)ethyl]-4-[2-[4-(tetrazol-1-yl)phenyl]ethyl]piperazine