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, or c without using any additional words.
Options:
a COc1cc(NS(=O)(=O)c2ccc(NC(=S)NC(C)=O)cc2)nc(OC)n1
b CCC1CCCN1Cn1cnc2c([nH]c3ccc(OC)cc32)c1=O
c COc1ccc(CCNC2CC(C)N(C)CC2C)cc1OC.Cl
Answer: b
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}