Using OB(O)c1cc(F)c(F)cc1F, CCOC(=O)CN(C)C(=O)c1cccc(COc2ccc(Br)cc2F)c1 to produce CN(CC(=O)O)C(=O)c1cccc(COc2ccc(-c3cc(F)c(F)cc3F)cc2F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.