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: CCCCC1=NC2(CCCC2)C(=O)N1Cc1ccc(-c2ccccc2-c2nn[n-]n2)cc1
b: Fc1ccc2c([C@@H]3C[NH2+]CC[C@H]3F)c(-c3ccsc3)[nH]c2c1
c: NCCSCCC(=O)O
d: N#Cc1ccc(Cn2cncc2C[NH2+][C@H]2CCN(Cc3ccccc3)C2=O)cc1
Answer: a, 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-(2-aminoethylsulfanyl)propanoic acid