Using Cc1nc2cccc(C(=O)CBr)c2nc1F, CCOC(=O)CC(=N)N to produce CCOC(=O)c1cc(-c2cccc3nc(C)c(F)nc23)[nH]c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.