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. Cc1ccc(CCNC(=O)C2CCCN(c3ncnc4c3nc3n4CCCCC3)C2)cc1
b. Cc1cc(N2CCOCC2)nc2ccc(NC(=O)CCC(=O)N3CCN(c4ccccc4)CC3)cc12
c. CC1CN(C(=O)COC(=O)c2ccc(S(=O)(=O)N(C)C)cc2)CC(C)O1
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}