Using C=CCBr, C=CCn1nnnc1-c1ccc(-c2ccc(OCOC)cc2)cc1 to produce C=CCn1nnc(-c2ccc(-c3ccc(OCOC)cc3)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.