Using CCOC(=O)CCCn1c(C(=O)OC)cc2c(Br)cc(F)cc21 to produce CCOC(=O)C1CCn2c(cc3c(Br)cc(F)cc32)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.