Using BrCC1COc2ccccc2O1, COc1cccc(C2CCCNC2)c1 to produce COc1cccc(C2CCCN(CC3COc4ccccc4O3)C2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.