Task: Please answer the multiple choice question.
Question: Which molecules are not 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 other words.
Options:
a.) O=C(O)C(=O)O.c1cc2c(cc1OCCNC1CCCC1)CCC2
b.) COc1ccccc1-n1c(C)c(C(=O)O)c2cc(OC)c3ccccc3c21
c.) Cl.NC(CO)c1cn([C@@H](CCC(=O)O)C(=O)N2CCNCC2)nn1
d.) Cc1cccc(-n2cnc3cc([N+](=O)[O-])ccc32)c1
Answer: a, b, c
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}