Using COc1ccc(C[C@H](CC(=O)N2CCOCC2)C(=O)OCc2ccccc2)cc1 to produce COc1ccc(C[C@H](CC(=O)N2CCOCC2)C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.