Using O=C(Br)CBr, CC(=O)OCCNc1ccc(Cl)cc1C(=O)c1ccccc1F to produce CC(=O)OCCN(C(=O)CBr)c1ccc(Cl)cc1C(=O)c1ccccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.