Using COC(CCBr)OC, Cc1ccncc1-c1c[nH]c(=O)[nH]c1=O to produce COC(CCn1cc(-c2cnccc2C)c(=O)[nH]c1=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.