Using Cc1cc(C(N)=O)ccc1N, O=C1CCC2(CC1C(=O)c1ccc(Br)o1)OCCO2 to produce O=C(O)CCC1(CCC(=O)c2ccc(Br)o2)OCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.