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 other words.
Options:
a.) CCCCN1CC2=C(C1=O)C(c1ccc(O)cc1)NC(=O)N2C
b.) O=C(NCC1CCCO1)C1CCN(S(=O)(=O)c2ccccc2)CC1
c.) Cc1ccc(OCCNC(=O)CNC(=O)c2ccc(C)cc2)cc1
d.) CCN(Cc1cc2ccccc2[nH]c1=O)C(=O)c1cccnc1
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}