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] COC(=O)N/N=C/c1cn(Cc2ccccc2F)c2ccccc12
[b] O=C(CCN1C(=O)/C(=C/c2ccc3c(c2)OCO3)SC1=S)Nc1cccc(C(=O)O)c1
[c] O=c1cc(CSc2n[nH]c(=O)n2C2CC2)c2ccc(O)cc2o1
[d] Cc1cc(C)c2nc(N(CCCN(C)C)C(=O)C3=COCCO3)sc2c1.Cl
Answer: d
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}