Using CCCOc1nc(C(=O)O)cnc1N1CCCC1, COC(=O)c1cnc(Cl)c(Br)n1 to produce COCCOc1nc(C(=O)O)cnc1N1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.