Using BrBr, CCOC(=O)c1cn2c(c1OCc1ccccc1)C(=O)N(Cc1ccc(F)cc1)CC2 to produce CCOC(=O)c1c(OCc2ccccc2)c2n(c1Br)CCN(Cc1ccc(F)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.