Task: Please answer the multiple choice question.
Question: Which molecules are not 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: CCNC(=O)COC(=O)C1CCN(S(=O)(=O)c2ccc3c(c2)OCCO3)CC1
b: COc1cccc(CN2CCCC(C(=O)c3ccc4c(c3)OCO4)C2)c1OC
c: Cc1ccc(CNC(=O)CS(=O)(=O)Cc2nc(-c3ccc(C)cc3)oc2C)cc1
d: CCCCN(C(=O)c1ccc(NC2CC2)c([N+](=O)[O-])c1)c1c(N)n(CC(C)C)c(=O)[nH]c1=O
Answer: a, 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}