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: CCN(CC)Cc1ccc2c(c1)CC[C@H](N1CCN(CCC3CCCCC3)CC1=O)C2
b: COc1cc(C(=O)N=S(=O)([O-])c2ccccc2C)ccc1Cc1cn(C)c2ccc(NC(=O)OC3CCCC3)cc12
c: COc1ccc(CN(CC[NH+](C)C)c2ccccn2)cc1
d: CCC(=O)c1cn(-c2ccc(F)cc2)c2ccc(Cl)cc12
Answer: a, 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}
2-[(4-methoxyphenyl)methyl-pyridin-2-ylamino]ethyl-dimethylazanium