Using COC(=O)C(=O)N(Cc1ccccc1)C[C@@H]1COCCN1Cc1ccccc1 to produce O=C1C(=O)N2CCOC[C@H]2CN1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.