Task: Please answer the multiple choice question.
Question: Which molecules are 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: CC1(C)C(=O)NCCN1C(=O)CCCC(=O)O
b: O=C(OCCNc1ncc(C(F)(F)F)cc1Cl)c1ccc(S(=O)(=O)N2CCOCC2)cc1
c: Cc1sc2nc(CN3CCCCC3)nc(N3CCN(C(=O)c4ccco4)CC3)c2c1C
d: CCOC(=O)c1c(NC(=O)CSc2nc3cccnc3n2C)sc(C(C)=O)c1C
Answer: 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}