Using COC(=O)CBr, O=C(Cc1ccccc1)c1cccc(OCc2ccccc2)c1 to produce COC(=O)CC(C(=O)c1cccc(OCc2ccccc2)c1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.