Using O=Cc1cc(O)ccc1Br, COC(=O)c1ccc(Cl)nc1C(=O)OC to produce COC(=O)c1ccc(Oc2ccc(Br)c(C=O)c2)nc1C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.