Using O=C1OC[C@H](Cc2ccccc2)N1C(=O)[C@@H]1CN(Cc2ccccc2)C[C@H]1c1ccc(Cl)cc1, COC(=O)OC to produce COC(=O)[C@@H]1CN(Cc2ccccc2)C[C@H]1c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.