Using O=C1c2ccccc2C(=O)N1C1(c2ccc(Br)cc2)CC2(C1)OCCO2 to produce O=C1CC(c2ccc(Br)cc2)(N2C(=O)c3ccccc3C2=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.