Using COc1ccc(C2CCCNC2)cc1, BrCC1COc2ccccc2O1 to produce COc1ccc(C2CCCN(CC3COc4ccccc4O3)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.