Using CCOCC(=O)N(C)OC, CN(C(=O)OC(C)(C)C)c1nc(-c2ccco2)c(Br)s1 to produce CCOCC(=O)c1sc(N(C)C(=O)OC(C)(C)C)nc1-c1ccco1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.