Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCOC(=O)c1cnc(-n2nc(C)cc2C)nc1NCCc1ccccc1
b COC(=O)c1ccc(/C=C2/SC(=S)N(CCC(=O)N3CCOCC3)C2=O)cc1
c Cc1cc(C)cc(NC(=O)C2C3C=CC4(O3)C2C(=O)N(CCCN2CCCC2)C4C(=O)NC2CCCC(C)C2C)c1
d COc1ccccc1C(=O)NCC(=O)NC(C)CCc1ccccc1
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}