Using N=C(N)CCc1ccc(F)c(Br)c1, CCOC(=O)C(C=O)Cc1cncnc1 to produce O=c1nc(CCc2ccc(F)c(Br)c2)[nH]cc1Cc1cncnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.