Using COC(CCBr)OC, N#Cc1ncccc1-c1c[nH]c(=O)[nH]c1=O to produce COC(CCn1cc(-c2cccnc2C#N)c(=O)[nH]c1=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.