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(NC(=O)CNC(=O)Cn2ccc3ccccc3c2=O)cc(OC)c1OC
b. COCC(=O)Nc1nc(-c2ccc(C)cc2)c(C)s1
c. Cc1ccc(OCc2nc(C#N)c(NCCCn3ccnc3)o2)cc1
d. Cc1cccc(OCC(=O)Nc2cc(NC(=O)COc3cccc(C)c3C)cc(C(=O)O)c2)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}