Using O=C(O)c1ccc(Oc2ccc(CN3CCC(C(=O)c4ccc(Br)cc4)CC3)cc2)cc1, CCON to produce CCO/N=C(\c1ccc(Br)cc1)C1CCN(Cc2ccc(Oc3ccc(C(=O)O)cc3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.