Using O=C[C@@]12CCCN1[C@@H](C(Cl)(Cl)Cl)OC2=O to produce O=C1O[C@H](C(Cl)(Cl)Cl)N2CCC[C@@]12CO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.