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 additional words.
Options:
a. CCCC(C(=O)O)N1C(=O)/C(=C/c2cccn2C)SC1=S
b. CCCCNS(=O)(=O)c1cc2c3c(c1)CCN3C(=O)CC2
c. O=C(Nc1ccccc1)c1ccc(=O)[nH]n1
d. O=C(CCCn1c(=O)oc2ccccc21)N1CCc2ccccc2C1
Answer: a, b, c, d
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}