Using O=C(O)CCCCCNC(=O)c1ccc(Br)c(Br)c1, O=C([O-])O to produce COC(=O)CCCCCNC(=O)c1ccc(Br)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.