Using CCOC(=O)CNC(=O)OC(C)(C)C, CCOC(=O)c1sc(-c2ccc(C(F)(F)F)cc2)nc1CBr to produce CCOC(=O)CN(Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1C(=O)OCC)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.