Using O=C1CCC(=O)N1Br, CC(=O)Oc1ccc(-c2c(C)oc3cc(OC(C)=O)cc(OC(C)=O)c3c2=O)cc1 to produce CC(=O)Oc1ccc(-c2c(CBr)oc3cc(OC(C)=O)cc(OC(C)=O)c3c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.