Using CC1(CO)COC(=O)C(C)(C)N1, CC(C)(C)C(=O)Cl to produce CC1(COC(=O)C(C)(C)C)COC(=O)C(C)(C)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.