Using Nc1cccc2c1C[C@H](O)CC2, O=C(O)C1CCN(c2cccc(Cl)c2)CC1 to produce O=C(Nc1cccc2c1C[C@H](O)CC2)C1CCN(c2cccc(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.