Using COC(CBr)OC, CCC1CC(=O)NN=C1c1ccc2nc(-c3ccc(O)cc3)oc2c1 to produce CCC1CC(=O)NN=C1c1ccc2nc(-c3ccc(OCC(OC)OC)cc3)oc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.