Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CCOC(=O)C1CCN(C2CCN(C(=O)c3oc4c(F)cccc4c3C)CC2)CC1
b: COc1ccc(N(C(=O)c2snc(C(N)=O)c2N)C(C(=O)NC2CCCC2)c2ccc(F)cc2)c(OC)c1
c: CC1CC(=O)Nc2ccccc2N1S(=O)(=O)c1ccc(Cl)cc1
d: Cc1[nH+]csc1CCOC(=O)C1C2CC3CC(C2)CC1C3.[Cl-]
Answer: a
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}