Using COC(=O)COC1(c2ccccc2)CCN(C(=O)C2(c3ccc(Cl)cc3)CC2)C1 to produce O=C(O)COC1(c2ccccc2)CCN(C(=O)C2(c3ccc(Cl)cc3)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.