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.) COc1ccc(CCNC(=O)c2ccc3nc[nH]c3c2)cc1
b.) CCN1CCCC1CNC(=O)c1ccc2c(c1)NC(=O)/C(=C\c1ccc(OC)c(OC)c1)S2
c.) COc1cccc(CSc2nc3nc(C)cc(C)n3n2)c1
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}