Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCC1Nc2ncnc(N3CCN(c4ccccc4)CC3)c2N(Cc2ccc(C)cc2)C1=O.O=C(O)C(F)(F)F
b COc1ccccc1-c1nnc(SCC(=O)NCc2cccs2)n1N
c O=C(C1CCN(CCCc2ccccc2)CC1)N(CCc1ccccc1)Cc1ccccc1.O=C(O)C(=O)O
d Cc1cnn(-c2cc(N/N=C/c3ccc(F)cc3)ncn2)c1
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}