Using NC1CCOCC1, O=Cc1cccc(OCC(O)CN2CCc3ccccc3C2)c1 to produce OC(COc1cccc(CNC2CCOCC2)c1)CN1CCc2ccccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.