Using O=C(NCCNC(=O)[C@@H]1CCCCN1c1nc2ccccc2o1)OCc1ccccc1 to produce NCCNC(=O)[C@@H]1CCCCN1c1nc2ccccc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.