Using O=C1CCC(=O)N1Br, CCOC(=O)C(C(=O)OCC)c1ccccc1 to produce CCOC(=O)C(Br)(C(=O)OCC)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.