Using CCOC(=O)CNCc1ccc(OC)cc1OC, CCOC(=O)c1sc(C(C)(C)C)nc1CBr to produce CCOC(=O)CN(Cc1ccc(OC)cc1OC)Cc1nc(C(C)(C)C)sc1C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.