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 additional words.
Options:
a: COc1cc(C)c(Cc2cnc(N)nc2N)cc1OC
b: CC(C)CN(C(=O)CSc1nnc2ccccn12)C1CCS(=O)(=O)C1
c: COCCn1c(SC(C)C(=O)NCC2CCCO2)nc2scc(-c3ccc(F)cc3)c2c1=O
d: O=C(CC(c1ccccc1)c1cc(Cl)ccc1O)N1CCOCC1
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}