Using COc1ccc2ncc(F)c(Br)c2n1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(C(=O)OCC)c1c(F)cnc2ccc(OC)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.