Using CC1CNCC1(CC(=O)OC(C)(C)C)C(=O)O, O=C(Cl)OCc1ccccc1 to produce CC1CN(C(=O)OCc2ccccc2)CC1(CC(=O)OC(C)(C)C)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.