Using O=C1CC2(C(=O)N1)C(=O)N(Cc1ccc(Cl)c(Cl)c1)c1ccccc12, CC(C)(C)C(=O)OCCl to produce CC(C)(C)C(=O)OCN1C(=O)CC2(C1=O)C(=O)N(Cc1ccc(Cl)c(Cl)c1)c1ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.