Using CCOC(=O)CCCOc1ccc2nc(C)cc(O)c2c1, BrCCCBr to produce CCOC(=O)CCCOc1ccc2nc(C)cc(OCCCBr)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.