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, or c without using any additional words.
Options:
a. Cl.O=C(CC1=NC2(CCCC2)Cc2ccccc21)N1CCOCC1
b. OC1(c2cccnc2)CC2CCC(C1)N2Cc1nnnn1Cc1ccccc1
c. CCOc1ccc(S(=O)(=O)N2CCOCC2)cc1NC(=O)c1ccc(N2CCCC2=O)cc1
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}