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 or b without using any other words.
Options:
[a] CCOC(=O)Cn1c(=O)oc2cc(S(=O)(=O)N(CCN(C)C)Cc3ccccc3)ccc21
[b] C=CCC1(CC=C)CCCN1C(=O)CC1C(=O)NCCN1Cc1cccc(OC)c1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}