Using COCCCO, O=C(Nc1nonc1-c1noc(=O)n1-c1ccc(F)c(Br)c1)C(F)(F)F to produce COCCCNc1nonc1-c1noc(=O)n1-c1ccc(F)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.