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 other words.
Options:
(a) Cc1cc(=O)n2nc(N3CCCC(C(=O)N4CCc5ccccc54)C3)sc2n1
(b) Cc1ccn2c(=O)nc(SCC(=O)N3N=C(c4cccs4)CC3c3ccc(F)cc3)nc2c1
(c) Cc1ccc(NC(=O)c2c(F)cccc2Cl)cc1NS(C)(=O)=O
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}