Using OB(O)c1cccnc1, CCCCNC(=O)Nc1ccc(F)c(C(=O)c2c[nH]c3ncc(Br)cc23)c1 to produce CCCCNC(=O)Nc1ccc(F)c(C(=O)c2c[nH]c3ncc(-c4cccnc4)cc23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.