Using CI, CCOC(=O)C1(C)CN(C(=O)OCc2ccccc2)CC1O to produce CCOC(=O)C1(C)CN(C(=O)OCc2ccccc2)CC1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.