Using CCOC(C)=O, O=C(CN1C[C@@H]2COCCN2c2nc(Cl)ncc21)NCC1CCOCC1 to produce CN(CC1CCOCC1)C(=O)CN1C[C@@H]2COCCN2c2nc(Cl)ncc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.