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 other words.
Options:
a. CCOc1ccc(NCc2cccn2-c2nnc(N3CCC(C(=O)NCCCN4CCCCC4CC)CC3)s2)cc1
b. O=C(CCNS(=O)(=O)c1ccccc1C(F)(F)F)NNC(=O)c1csc(N2CCOCC2)n1
c. CCOc1cc2[nH]c(=O)n(Cc3ccccc3)c(=O)c2cc1OCC
d. COc1cc(NC(=S)N2CCCC(C)C2)cc(OC)c1OC
Answer: a
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}