Using NCC1(O)COc2ccccc2OC1, c1ccc(C2CO2)cc1 to produce OC(CN(CC(O)c1ccccc1)CC1(O)COc2ccccc2OC1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.