Using C1COCCN1, O=C(O)c1cccc(N2C(=O)[C@@]3(C[C@@H]3c3ccc(Cl)cc3)c3ccccc32)c1 to produce O=C(c1cccc(N2C(=O)[C@@]3(C[C@@H]3c3ccc(Cl)cc3)c3ccccc32)c1)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.