Using O=Cc1ccc(N(c2ccc(C=O)cc2)c2ccc(C=O)c(O)c2)cc1, CCOC(=O)C(Br)CC to produce CCOC(=O)CCCOc1cc(N(c2ccc(C=O)cc2)c2ccc(C=O)cc2)ccc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.