Using O=C1CCC(=O)N1Br, COC(=O)c1cc(C)c(Br)cc1OC(C)=O to produce COC(=O)c1cc(CBr)c(Br)cc1OC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.