Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=C1NCCN1CC[NH+]1CCC(c2cn(C3CCCCC3)c3ccc(Cl)cc23)CC1
b C[NH2+]CCCC1c2ccccc2C=Cc2ccccc21
c Fc1ccc(-n2cc(C3CC[NH+](CCN4CCNC4=S)CC3)c3cc(Cl)ccc32)cc1
d Cc1nc[nH]c1CN1CCc2c(c3ccccc3n2C)C1=O
Answer: b, 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-[5-chloranyl-1-(4-fluorophenyl)indol-3-yl]piperidin-1-ium-1-yl]ethyl]imidazolidine-2-thione